diff --git a/pkg/azurestore/azureservice.go b/pkg/azurestore/azureservice.go
index 9f27a30..d8210dc 100644
--- a/pkg/azurestore/azureservice.go
+++ b/pkg/azurestore/azureservice.go
@@ -15,7 +15,6 @@
 package azurestore
 
 import (
-	"bytes"
 	"context"
 	"encoding/base64"
 	"encoding/binary"
@@ -59,8 +58,8 @@ type AzBlob interface {
 	Delete(ctx context.Context) error
 	// Upload the blob
 	Upload(ctx context.Context, body io.ReadSeeker) error
-	// Download the contents of the blob
-	Download(ctx context.Context) ([]byte, error)
+	// Download returns a readcloser to download the contents of the blob
+	Download(ctx context.Context) (io.ReadCloser, error)
 	// Get the offset of the blob and its indexes
 	GetOffset(ctx context.Context) (int64, error)
 	// Commit the uploaded blocks to the BlockBlob
@@ -171,7 +170,7 @@ func (blockBlob *BlockBlob) Upload(ctx context.Context, body io.ReadSeeker) erro
 }
 
 // Download the blockBlob from Azure Blob Storage
-func (blockBlob *BlockBlob) Download(ctx context.Context) (data []byte, err error) {
+func (blockBlob *BlockBlob) Download(ctx context.Context) (io.ReadCloser, error) {
 	downloadResponse, err := blockBlob.Blob.Download(ctx, 0, azblob.CountToEnd, azblob.BlobAccessConditions{}, false, azblob.ClientProvidedKeyOptions{})
 
 	// If the file does not exist, it will not return an error, but a 404 status and body
@@ -186,15 +185,7 @@ func (blockBlob *BlockBlob) Download(ctx context.Context) (data []byte, err erro
 		return nil, err
 	}
 
-	bodyStream := downloadResponse.Body(azblob.RetryReaderOptions{MaxRetryRequests: 20})
-	downloadedData := bytes.Buffer{}
-
-	_, err = downloadedData.ReadFrom(bodyStream)
-	if err != nil {
-		return nil, err
-	}
-
-	return downloadedData.Bytes(), nil
+	return downloadResponse.Body(azblob.RetryReaderOptions{MaxRetryRequests: 20}), nil
 }
 
 func (blockBlob *BlockBlob) GetOffset(ctx context.Context) (int64, error) {
@@ -258,7 +249,7 @@ func (infoBlob *InfoBlob) Upload(ctx context.Context, body io.ReadSeeker) error
 }
 
 // Download the infoBlob from Azure Blob Storage
-func (infoBlob *InfoBlob) Download(ctx context.Context) ([]byte, error) {
+func (infoBlob *InfoBlob) Download(ctx context.Context) (io.ReadCloser, error) {
 	downloadResponse, err := infoBlob.Blob.Download(ctx, 0, azblob.CountToEnd, azblob.BlobAccessConditions{}, false, azblob.ClientProvidedKeyOptions{})
 
 	// If the file does not exist, it will not return an error, but a 404 status and body
@@ -272,15 +263,7 @@ func (infoBlob *InfoBlob) Download(ctx context.Context) ([]byte, error) {
 		return nil, err
 	}
 
-	bodyStream := downloadResponse.Body(azblob.RetryReaderOptions{MaxRetryRequests: 20})
-	downloadedData := bytes.Buffer{}
-
-	_, err = downloadedData.ReadFrom(bodyStream)
-	if err != nil {
-		return nil, err
-	}
-
-	return downloadedData.Bytes(), nil
+	return downloadResponse.Body(azblob.RetryReaderOptions{MaxRetryRequests: 20}), nil
 }
 
 // infoBlob does not utilise offset, so just return 0, nil
diff --git a/pkg/azurestore/azurestore.go b/pkg/azurestore/azurestore.go
index d21cbf0..9fb6d40 100644
--- a/pkg/azurestore/azurestore.go
+++ b/pkg/azurestore/azurestore.go
@@ -96,8 +96,9 @@ func (store AzureStore) GetUpload(ctx context.Context, id string) (handler.Uploa
 	if err != nil {
 		return nil, err
 	}
+	defer data.Close()
 
-	if err := json.Unmarshal(data, &info); err != nil {
+	if err := json.NewDecoder(data).Decode(&info); err != nil {
 		return nil, err
 	}
 
@@ -173,7 +174,7 @@ func (upload *AzUpload) GetInfo(ctx context.Context) (handler.FileInfo, error) {
 		return info, err
 	}
 
-	if err := json.Unmarshal(data, &info); err != nil {
+	if err := json.NewDecoder(data).Decode(&info); err != nil {
 		return info, err
 	}
 
@@ -182,12 +183,8 @@ func (upload *AzUpload) GetInfo(ctx context.Context) (handler.FileInfo, error) {
 }
 
 // Get the uploaded file from the Azure storage
-func (upload *AzUpload) GetReader(ctx context.Context) (io.Reader, error) {
-	b, err := upload.BlockBlob.Download(ctx)
-	if err != nil {
-		return nil, err
-	}
-	return bytes.NewReader(b), nil
+func (upload *AzUpload) GetReader(ctx context.Context) (io.ReadCloser, error) {
+	return upload.BlockBlob.Download(ctx)
 }
 
 // Finish the file upload and commit the block list
diff --git a/pkg/azurestore/azurestore_mock_test.go b/pkg/azurestore/azurestore_mock_test.go
index 0af7cba..8d11838 100644
--- a/pkg/azurestore/azurestore_mock_test.go
+++ b/pkg/azurestore/azurestore_mock_test.go
@@ -6,36 +6,37 @@ package azurestore_test
 
 import (
 	context "context"
-	gomock "github.com/golang/mock/gomock"
-	azurestore "github.com/tus/tusd/pkg/azurestore"
 	io "io"
 	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
+	azurestore "github.com/tus/tusd/pkg/azurestore"
 )
 
-// MockAzService is a mock of AzService interface
+// MockAzService is a mock of AzService interface.
 type MockAzService struct {
 	ctrl     *gomock.Controller
 	recorder *MockAzServiceMockRecorder
 }
 
-// MockAzServiceMockRecorder is the mock recorder for MockAzService
+// MockAzServiceMockRecorder is the mock recorder for MockAzService.
 type MockAzServiceMockRecorder struct {
 	mock *MockAzService
 }
 
-// NewMockAzService creates a new mock instance
+// NewMockAzService creates a new mock instance.
 func NewMockAzService(ctrl *gomock.Controller) *MockAzService {
 	mock := &MockAzService{ctrl: ctrl}
 	mock.recorder = &MockAzServiceMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockAzService) EXPECT() *MockAzServiceMockRecorder {
 	return m.recorder
 }
 
-// NewBlob mocks base method
+// NewBlob mocks base method.
 func (m *MockAzService) NewBlob(arg0 context.Context, arg1 string) (azurestore.AzBlob, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "NewBlob", arg0, arg1)
@@ -44,36 +45,36 @@ func (m *MockAzService) NewBlob(arg0 context.Context, arg1 string) (azurestore.A
 	return ret0, ret1
 }
 
-// NewBlob indicates an expected call of NewBlob
+// NewBlob indicates an expected call of NewBlob.
 func (mr *MockAzServiceMockRecorder) NewBlob(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NewBlob", reflect.TypeOf((*MockAzService)(nil).NewBlob), arg0, arg1)
 }
 
-// MockAzBlob is a mock of AzBlob interface
+// MockAzBlob is a mock of AzBlob interface.
 type MockAzBlob struct {
 	ctrl     *gomock.Controller
 	recorder *MockAzBlobMockRecorder
 }
 
-// MockAzBlobMockRecorder is the mock recorder for MockAzBlob
+// MockAzBlobMockRecorder is the mock recorder for MockAzBlob.
 type MockAzBlobMockRecorder struct {
 	mock *MockAzBlob
 }
 
-// NewMockAzBlob creates a new mock instance
+// NewMockAzBlob creates a new mock instance.
 func NewMockAzBlob(ctrl *gomock.Controller) *MockAzBlob {
 	mock := &MockAzBlob{ctrl: ctrl}
 	mock.recorder = &MockAzBlobMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockAzBlob) EXPECT() *MockAzBlobMockRecorder {
 	return m.recorder
 }
 
-// Commit mocks base method
+// Commit mocks base method.
 func (m *MockAzBlob) Commit(arg0 context.Context) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Commit", arg0)
@@ -81,13 +82,13 @@ func (m *MockAzBlob) Commit(arg0 context.Context) error {
 	return ret0
 }
 
-// Commit indicates an expected call of Commit
+// Commit indicates an expected call of Commit.
 func (mr *MockAzBlobMockRecorder) Commit(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Commit", reflect.TypeOf((*MockAzBlob)(nil).Commit), arg0)
 }
 
-// Delete mocks base method
+// Delete mocks base method.
 func (m *MockAzBlob) Delete(arg0 context.Context) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Delete", arg0)
@@ -95,28 +96,28 @@ func (m *MockAzBlob) Delete(arg0 context.Context) error {
 	return ret0
 }
 
-// Delete indicates an expected call of Delete
+// Delete indicates an expected call of Delete.
 func (mr *MockAzBlobMockRecorder) Delete(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Delete", reflect.TypeOf((*MockAzBlob)(nil).Delete), arg0)
 }
 
-// Download mocks base method
-func (m *MockAzBlob) Download(arg0 context.Context) ([]byte, error) {
+// Download mocks base method.
+func (m *MockAzBlob) Download(arg0 context.Context) (io.ReadCloser, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Download", arg0)
-	ret0, _ := ret[0].([]byte)
+	ret0, _ := ret[0].(io.ReadCloser)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 
-// Download indicates an expected call of Download
+// Download indicates an expected call of Download.
 func (mr *MockAzBlobMockRecorder) Download(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Download", reflect.TypeOf((*MockAzBlob)(nil).Download), arg0)
 }
 
-// GetOffset mocks base method
+// GetOffset mocks base method.
 func (m *MockAzBlob) GetOffset(arg0 context.Context) (int64, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetOffset", arg0)
@@ -125,13 +126,13 @@ func (m *MockAzBlob) GetOffset(arg0 context.Context) (int64, error) {
 	return ret0, ret1
 }
 
-// GetOffset indicates an expected call of GetOffset
+// GetOffset indicates an expected call of GetOffset.
 func (mr *MockAzBlobMockRecorder) GetOffset(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetOffset", reflect.TypeOf((*MockAzBlob)(nil).GetOffset), arg0)
 }
 
-// Upload mocks base method
+// Upload mocks base method.
 func (m *MockAzBlob) Upload(arg0 context.Context, arg1 io.ReadSeeker) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Upload", arg0, arg1)
@@ -139,7 +140,7 @@ func (m *MockAzBlob) Upload(arg0 context.Context, arg1 io.ReadSeeker) error {
 	return ret0
 }
 
-// Upload indicates an expected call of Upload
+// Upload indicates an expected call of Upload.
 func (mr *MockAzBlobMockRecorder) Upload(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Upload", reflect.TypeOf((*MockAzBlob)(nil).Upload), arg0, arg1)
diff --git a/pkg/azurestore/azurestore_test.go b/pkg/azurestore/azurestore_test.go
index abd09db..5bbe15a 100644
--- a/pkg/azurestore/azurestore_test.go
+++ b/pkg/azurestore/azurestore_test.go
@@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"io"
 	"testing"
 
 	"github.com/Azure/azure-storage-blob-go/azblob"
@@ -153,7 +154,7 @@ func TestGetUpload(t *testing.T) {
 
 	gomock.InOrder(
 		service.EXPECT().NewBlob(ctx, mockID+".info").Return(infoBlob, nil).Times(1),
-		infoBlob.EXPECT().Download(ctx).Return(data, nil).Times(1),
+		infoBlob.EXPECT().Download(ctx).Return(newReadCloser(data), nil).Times(1),
 		service.EXPECT().NewBlob(ctx, mockID).Return(blockBlob, nil).Times(1),
 		blockBlob.EXPECT().GetOffset(ctx).Return(int64(0), nil).Times(1),
 	)
@@ -189,7 +190,7 @@ func TestGetUploadTooLargeBlob(t *testing.T) {
 
 	gomock.InOrder(
 		service.EXPECT().NewBlob(ctx, mockID+".info").Return(infoBlob, nil).Times(1),
-		infoBlob.EXPECT().Download(ctx).Return(data, nil).Times(1),
+		infoBlob.EXPECT().Download(ctx).Return(newReadCloser(data), nil).Times(1),
 	)
 
 	upload, err := store.GetUpload(ctx, mockID)
@@ -246,10 +247,10 @@ func TestGetReader(t *testing.T) {
 
 	gomock.InOrder(
 		service.EXPECT().NewBlob(ctx, mockID+".info").Return(infoBlob, nil).Times(1),
-		infoBlob.EXPECT().Download(ctx).Return(data, nil).Times(1),
+		infoBlob.EXPECT().Download(ctx).Return(newReadCloser(data), nil).Times(1),
 		service.EXPECT().NewBlob(ctx, mockID).Return(blockBlob, nil).Times(1),
 		blockBlob.EXPECT().GetOffset(ctx).Return(int64(0), nil).Times(1),
-		blockBlob.EXPECT().Download(ctx).Return([]byte(mockReaderData), nil).Times(1),
+		blockBlob.EXPECT().Download(ctx).Return(newReadCloser([]byte(mockReaderData)), nil).Times(1),
 	)
 
 	upload, err := store.GetUpload(ctx, mockID)
@@ -286,7 +287,7 @@ func TestWriteChunk(t *testing.T) {
 
 	gomock.InOrder(
 		service.EXPECT().NewBlob(ctx, mockID+".info").Return(infoBlob, nil).Times(1),
-		infoBlob.EXPECT().Download(ctx).Return(data, nil).Times(1),
+		infoBlob.EXPECT().Download(ctx).Return(newReadCloser(data), nil).Times(1),
 		service.EXPECT().NewBlob(ctx, mockID).Return(blockBlob, nil).Times(1),
 		blockBlob.EXPECT().GetOffset(ctx).Return(offset, nil).Times(1),
 		blockBlob.EXPECT().Upload(ctx, bytes.NewReader([]byte(mockReaderData))).Return(nil).Times(1),
@@ -325,7 +326,7 @@ func TestFinishUpload(t *testing.T) {
 
 	gomock.InOrder(
 		service.EXPECT().NewBlob(ctx, mockID+".info").Return(infoBlob, nil).Times(1),
-		infoBlob.EXPECT().Download(ctx).Return(data, nil).Times(1),
+		infoBlob.EXPECT().Download(ctx).Return(newReadCloser(data), nil).Times(1),
 		service.EXPECT().NewBlob(ctx, mockID).Return(blockBlob, nil).Times(1),
 		blockBlob.EXPECT().GetOffset(ctx).Return(offset, nil).Times(1),
 		blockBlob.EXPECT().Commit(ctx).Return(nil).Times(1),
@@ -362,7 +363,7 @@ func TestTerminate(t *testing.T) {
 
 	gomock.InOrder(
 		service.EXPECT().NewBlob(ctx, mockID+".info").Return(infoBlob, nil).Times(1),
-		infoBlob.EXPECT().Download(ctx).Return(data, nil).Times(1),
+		infoBlob.EXPECT().Download(ctx).Return(newReadCloser(data), nil).Times(1),
 		service.EXPECT().NewBlob(ctx, mockID).Return(blockBlob, nil).Times(1),
 		blockBlob.EXPECT().GetOffset(ctx).Return(int64(0), nil).Times(1),
 		infoBlob.EXPECT().Delete(ctx).Return(nil).Times(1),
@@ -405,7 +406,7 @@ func TestDeclareLength(t *testing.T) {
 
 	gomock.InOrder(
 		service.EXPECT().NewBlob(ctx, mockID+".info").Return(infoBlob, nil).Times(1),
-		infoBlob.EXPECT().Download(ctx).Return(data, nil).Times(1),
+		infoBlob.EXPECT().Download(ctx).Return(newReadCloser(data), nil).Times(1),
 		service.EXPECT().NewBlob(ctx, mockID).Return(blockBlob, nil).Times(1),
 		blockBlob.EXPECT().GetOffset(ctx).Return(int64(0), nil).Times(1),
 		infoBlob.EXPECT().Upload(ctx, r).Return(nil).Times(1),
@@ -424,3 +425,7 @@ func TestDeclareLength(t *testing.T) {
 
 	cancel()
 }
+
+func newReadCloser(b []byte) io.ReadCloser {
+	return io.NopCloser(bytes.NewReader(b))
+}
diff --git a/pkg/filestore/filestore.go b/pkg/filestore/filestore.go
index 1f79279..f528142 100644
--- a/pkg/filestore/filestore.go
+++ b/pkg/filestore/filestore.go
@@ -167,7 +167,7 @@ func (upload *fileUpload) WriteChunk(ctx context.Context, offset int64, src io.R
 	return n, err
 }
 
-func (upload *fileUpload) GetReader(ctx context.Context) (io.Reader, error) {
+func (upload *fileUpload) GetReader(ctx context.Context) (io.ReadCloser, error) {
 	return os.Open(upload.binPath)
 }
 
diff --git a/pkg/gcsstore/gcsstore.go b/pkg/gcsstore/gcsstore.go
index 7c8ca28..8b7b3e3 100644
--- a/pkg/gcsstore/gcsstore.go
+++ b/pkg/gcsstore/gcsstore.go
@@ -321,7 +321,7 @@ func (upload gcsUpload) Terminate(ctx context.Context) error {
 	return nil
 }
 
-func (upload gcsUpload) GetReader(ctx context.Context) (io.Reader, error) {
+func (upload gcsUpload) GetReader(ctx context.Context) (io.ReadCloser, error) {
 	id := upload.id
 	store := upload.store
 
@@ -330,12 +330,7 @@ func (upload gcsUpload) GetReader(ctx context.Context) (io.Reader, error) {
 		ID:     store.keyWithPrefix(id),
 	}
 
-	r, err := store.Service.ReadObject(ctx, params)
-	if err != nil {
-		return nil, err
-	}
-
-	return r, nil
+	return store.Service.ReadObject(ctx, params)
 }
 
 func (store GCSStore) keyWithPrefix(key string) string {
diff --git a/pkg/gcsstore/gcsstore_mock_test.go b/pkg/gcsstore/gcsstore_mock_test.go
index 774538a..8ccecdd 100644
--- a/pkg/gcsstore/gcsstore_mock_test.go
+++ b/pkg/gcsstore/gcsstore_mock_test.go
@@ -6,36 +6,37 @@ package gcsstore_test
 
 import (
 	context "context"
-	gomock "github.com/golang/mock/gomock"
-	gcsstore "github.com/tus/tusd/pkg/gcsstore"
 	io "io"
 	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
+	gcsstore "github.com/tus/tusd/pkg/gcsstore"
 )
 
-// MockGCSReader is a mock of GCSReader interface
+// MockGCSReader is a mock of GCSReader interface.
 type MockGCSReader struct {
 	ctrl     *gomock.Controller
 	recorder *MockGCSReaderMockRecorder
 }
 
-// MockGCSReaderMockRecorder is the mock recorder for MockGCSReader
+// MockGCSReaderMockRecorder is the mock recorder for MockGCSReader.
 type MockGCSReaderMockRecorder struct {
 	mock *MockGCSReader
 }
 
-// NewMockGCSReader creates a new mock instance
+// NewMockGCSReader creates a new mock instance.
 func NewMockGCSReader(ctrl *gomock.Controller) *MockGCSReader {
 	mock := &MockGCSReader{ctrl: ctrl}
 	mock.recorder = &MockGCSReaderMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockGCSReader) EXPECT() *MockGCSReaderMockRecorder {
 	return m.recorder
 }
 
-// Close mocks base method
+// Close mocks base method.
 func (m *MockGCSReader) Close() error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Close")
@@ -43,13 +44,13 @@ func (m *MockGCSReader) Close() error {
 	return ret0
 }
 
-// Close indicates an expected call of Close
+// Close indicates an expected call of Close.
 func (mr *MockGCSReaderMockRecorder) Close() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Close", reflect.TypeOf((*MockGCSReader)(nil).Close))
 }
 
-// ContentType mocks base method
+// ContentType mocks base method.
 func (m *MockGCSReader) ContentType() string {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ContentType")
@@ -57,13 +58,13 @@ func (m *MockGCSReader) ContentType() string {
 	return ret0
 }
 
-// ContentType indicates an expected call of ContentType
+// ContentType indicates an expected call of ContentType.
 func (mr *MockGCSReaderMockRecorder) ContentType() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ContentType", reflect.TypeOf((*MockGCSReader)(nil).ContentType))
 }
 
-// Read mocks base method
+// Read mocks base method.
 func (m *MockGCSReader) Read(arg0 []byte) (int, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Read", arg0)
@@ -72,13 +73,13 @@ func (m *MockGCSReader) Read(arg0 []byte) (int, error) {
 	return ret0, ret1
 }
 
-// Read indicates an expected call of Read
+// Read indicates an expected call of Read.
 func (mr *MockGCSReaderMockRecorder) Read(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Read", reflect.TypeOf((*MockGCSReader)(nil).Read), arg0)
 }
 
-// Remain mocks base method
+// Remain mocks base method.
 func (m *MockGCSReader) Remain() int64 {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Remain")
@@ -86,13 +87,13 @@ func (m *MockGCSReader) Remain() int64 {
 	return ret0
 }
 
-// Remain indicates an expected call of Remain
+// Remain indicates an expected call of Remain.
 func (mr *MockGCSReaderMockRecorder) Remain() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Remain", reflect.TypeOf((*MockGCSReader)(nil).Remain))
 }
 
-// Size mocks base method
+// Size mocks base method.
 func (m *MockGCSReader) Size() int64 {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Size")
@@ -100,36 +101,36 @@ func (m *MockGCSReader) Size() int64 {
 	return ret0
 }
 
-// Size indicates an expected call of Size
+// Size indicates an expected call of Size.
 func (mr *MockGCSReaderMockRecorder) Size() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Size", reflect.TypeOf((*MockGCSReader)(nil).Size))
 }
 
-// MockGCSAPI is a mock of GCSAPI interface
+// MockGCSAPI is a mock of GCSAPI interface.
 type MockGCSAPI struct {
 	ctrl     *gomock.Controller
 	recorder *MockGCSAPIMockRecorder
 }
 
-// MockGCSAPIMockRecorder is the mock recorder for MockGCSAPI
+// MockGCSAPIMockRecorder is the mock recorder for MockGCSAPI.
 type MockGCSAPIMockRecorder struct {
 	mock *MockGCSAPI
 }
 
-// NewMockGCSAPI creates a new mock instance
+// NewMockGCSAPI creates a new mock instance.
 func NewMockGCSAPI(ctrl *gomock.Controller) *MockGCSAPI {
 	mock := &MockGCSAPI{ctrl: ctrl}
 	mock.recorder = &MockGCSAPIMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockGCSAPI) EXPECT() *MockGCSAPIMockRecorder {
 	return m.recorder
 }
 
-// ComposeObjects mocks base method
+// ComposeObjects mocks base method.
 func (m *MockGCSAPI) ComposeObjects(arg0 context.Context, arg1 gcsstore.GCSComposeParams) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ComposeObjects", arg0, arg1)
@@ -137,13 +138,13 @@ func (m *MockGCSAPI) ComposeObjects(arg0 context.Context, arg1 gcsstore.GCSCompo
 	return ret0
 }
 
-// ComposeObjects indicates an expected call of ComposeObjects
+// ComposeObjects indicates an expected call of ComposeObjects.
 func (mr *MockGCSAPIMockRecorder) ComposeObjects(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ComposeObjects", reflect.TypeOf((*MockGCSAPI)(nil).ComposeObjects), arg0, arg1)
 }
 
-// DeleteObject mocks base method
+// DeleteObject mocks base method.
 func (m *MockGCSAPI) DeleteObject(arg0 context.Context, arg1 gcsstore.GCSObjectParams) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "DeleteObject", arg0, arg1)
@@ -151,13 +152,13 @@ func (m *MockGCSAPI) DeleteObject(arg0 context.Context, arg1 gcsstore.GCSObjectP
 	return ret0
 }
 
-// DeleteObject indicates an expected call of DeleteObject
+// DeleteObject indicates an expected call of DeleteObject.
 func (mr *MockGCSAPIMockRecorder) DeleteObject(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteObject", reflect.TypeOf((*MockGCSAPI)(nil).DeleteObject), arg0, arg1)
 }
 
-// DeleteObjectsWithFilter mocks base method
+// DeleteObjectsWithFilter mocks base method.
 func (m *MockGCSAPI) DeleteObjectsWithFilter(arg0 context.Context, arg1 gcsstore.GCSFilterParams) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "DeleteObjectsWithFilter", arg0, arg1)
@@ -165,13 +166,13 @@ func (m *MockGCSAPI) DeleteObjectsWithFilter(arg0 context.Context, arg1 gcsstore
 	return ret0
 }
 
-// DeleteObjectsWithFilter indicates an expected call of DeleteObjectsWithFilter
+// DeleteObjectsWithFilter indicates an expected call of DeleteObjectsWithFilter.
 func (mr *MockGCSAPIMockRecorder) DeleteObjectsWithFilter(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteObjectsWithFilter", reflect.TypeOf((*MockGCSAPI)(nil).DeleteObjectsWithFilter), arg0, arg1)
 }
 
-// FilterObjects mocks base method
+// FilterObjects mocks base method.
 func (m *MockGCSAPI) FilterObjects(arg0 context.Context, arg1 gcsstore.GCSFilterParams) ([]string, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "FilterObjects", arg0, arg1)
@@ -180,13 +181,13 @@ func (m *MockGCSAPI) FilterObjects(arg0 context.Context, arg1 gcsstore.GCSFilter
 	return ret0, ret1
 }
 
-// FilterObjects indicates an expected call of FilterObjects
+// FilterObjects indicates an expected call of FilterObjects.
 func (mr *MockGCSAPIMockRecorder) FilterObjects(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FilterObjects", reflect.TypeOf((*MockGCSAPI)(nil).FilterObjects), arg0, arg1)
 }
 
-// GetObjectSize mocks base method
+// GetObjectSize mocks base method.
 func (m *MockGCSAPI) GetObjectSize(arg0 context.Context, arg1 gcsstore.GCSObjectParams) (int64, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "GetObjectSize", arg0, arg1)
@@ -195,13 +196,13 @@ func (m *MockGCSAPI) GetObjectSize(arg0 context.Context, arg1 gcsstore.GCSObject
 	return ret0, ret1
 }
 
-// GetObjectSize indicates an expected call of GetObjectSize
+// GetObjectSize indicates an expected call of GetObjectSize.
 func (mr *MockGCSAPIMockRecorder) GetObjectSize(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectSize", reflect.TypeOf((*MockGCSAPI)(nil).GetObjectSize), arg0, arg1)
 }
 
-// ReadObject mocks base method
+// ReadObject mocks base method.
 func (m *MockGCSAPI) ReadObject(arg0 context.Context, arg1 gcsstore.GCSObjectParams) (gcsstore.GCSReader, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "ReadObject", arg0, arg1)
@@ -210,13 +211,13 @@ func (m *MockGCSAPI) ReadObject(arg0 context.Context, arg1 gcsstore.GCSObjectPar
 	return ret0, ret1
 }
 
-// ReadObject indicates an expected call of ReadObject
+// ReadObject indicates an expected call of ReadObject.
 func (mr *MockGCSAPIMockRecorder) ReadObject(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReadObject", reflect.TypeOf((*MockGCSAPI)(nil).ReadObject), arg0, arg1)
 }
 
-// SetObjectMetadata mocks base method
+// SetObjectMetadata mocks base method.
 func (m *MockGCSAPI) SetObjectMetadata(arg0 context.Context, arg1 gcsstore.GCSObjectParams, arg2 map[string]string) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "SetObjectMetadata", arg0, arg1, arg2)
@@ -224,13 +225,13 @@ func (m *MockGCSAPI) SetObjectMetadata(arg0 context.Context, arg1 gcsstore.GCSOb
 	return ret0
 }
 
-// SetObjectMetadata indicates an expected call of SetObjectMetadata
+// SetObjectMetadata indicates an expected call of SetObjectMetadata.
 func (mr *MockGCSAPIMockRecorder) SetObjectMetadata(arg0, arg1, arg2 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetObjectMetadata", reflect.TypeOf((*MockGCSAPI)(nil).SetObjectMetadata), arg0, arg1, arg2)
 }
 
-// WriteObject mocks base method
+// WriteObject mocks base method.
 func (m *MockGCSAPI) WriteObject(arg0 context.Context, arg1 gcsstore.GCSObjectParams, arg2 io.Reader) (int64, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "WriteObject", arg0, arg1, arg2)
@@ -239,7 +240,7 @@ func (m *MockGCSAPI) WriteObject(arg0 context.Context, arg1 gcsstore.GCSObjectPa
 	return ret0, ret1
 }
 
-// WriteObject indicates an expected call of WriteObject
+// WriteObject indicates an expected call of WriteObject.
 func (mr *MockGCSAPIMockRecorder) WriteObject(arg0, arg1, arg2 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "WriteObject", reflect.TypeOf((*MockGCSAPI)(nil).WriteObject), arg0, arg1, arg2)
diff --git a/pkg/handler/datastore.go b/pkg/handler/datastore.go
index 0f8b6e3..2321141 100644
--- a/pkg/handler/datastore.go
+++ b/pkg/handler/datastore.go
@@ -63,14 +63,12 @@ type Upload interface {
 	// requests. It may return an os.ErrNotExist which will be interpreted as a
 	// 404 Not Found.
 	GetInfo(ctx context.Context) (FileInfo, error)
-	// GetReader returns a reader which allows iterating of the content of an
+	// GetReader returns an io.ReadCloser which allows iterating of the content of an
 	// upload specified by its ID. It should attempt to provide a reader even if
 	// the upload has not been finished yet but it's not required.
-	// If the returned reader also implements the io.Closer interface, the
-	// Close() method will be invoked once everything has been read.
 	// If the given upload could not be found, the error tusd.ErrNotFound should
 	// be returned.
-	GetReader(ctx context.Context) (io.Reader, error)
+	GetReader(ctx context.Context) (io.ReadCloser, error)
 	// FinisherDataStore is the interface which can be implemented by DataStores
 	// which need to do additional operations once an entire upload has been
 	// completed. These tasks may include but are not limited to freeing unused
diff --git a/pkg/handler/handler_mock_test.go b/pkg/handler/handler_mock_test.go
index 3a49eed..7192a81 100644
--- a/pkg/handler/handler_mock_test.go
+++ b/pkg/handler/handler_mock_test.go
@@ -6,131 +6,217 @@ package handler_test
 
 import (
 	context "context"
-	gomock "github.com/golang/mock/gomock"
-	handler "github.com/tus/tusd/pkg/handler"
 	io "io"
 	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
 )
 
-// MockFullDataStore is a mock of FullDataStore interface
+// MockFullDataStore is a mock of FullDataStore interface.
 type MockFullDataStore struct {
 	ctrl     *gomock.Controller
 	recorder *MockFullDataStoreMockRecorder
 }
 
-// MockFullDataStoreMockRecorder is the mock recorder for MockFullDataStore
+// MockFullDataStoreMockRecorder is the mock recorder for MockFullDataStore.
 type MockFullDataStoreMockRecorder struct {
 	mock *MockFullDataStore
 }
 
-// NewMockFullDataStore creates a new mock instance
+// NewMockFullDataStore creates a new mock instance.
 func NewMockFullDataStore(ctrl *gomock.Controller) *MockFullDataStore {
 	mock := &MockFullDataStore{ctrl: ctrl}
 	mock.recorder = &MockFullDataStoreMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockFullDataStore) EXPECT() *MockFullDataStoreMockRecorder {
 	return m.recorder
 }
 
-// NewUpload mocks base method
-func (m *MockFullDataStore) NewUpload(ctx context.Context, info handler.FileInfo) (handler.Upload, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "NewUpload", ctx, info)
-	ret0, _ := ret[0].(handler.Upload)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// NewUpload indicates an expected call of NewUpload
-func (mr *MockFullDataStoreMockRecorder) NewUpload(ctx, info interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NewUpload", reflect.TypeOf((*MockFullDataStore)(nil).NewUpload), ctx, info)
-}
-
-// GetUpload mocks base method
-func (m *MockFullDataStore) GetUpload(ctx context.Context, id string) (handler.Upload, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetUpload", ctx, id)
-	ret0, _ := ret[0].(handler.Upload)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetUpload indicates an expected call of GetUpload
-func (mr *MockFullDataStoreMockRecorder) GetUpload(ctx, id interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetUpload", reflect.TypeOf((*MockFullDataStore)(nil).GetUpload), ctx, id)
-}
-
-// AsTerminatableUpload mocks base method
-func (m *MockFullDataStore) AsTerminatableUpload(upload handler.Upload) handler.TerminatableUpload {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "AsTerminatableUpload", upload)
-	ret0, _ := ret[0].(handler.TerminatableUpload)
-	return ret0
-}
-
-// AsTerminatableUpload indicates an expected call of AsTerminatableUpload
-func (mr *MockFullDataStoreMockRecorder) AsTerminatableUpload(upload interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AsTerminatableUpload", reflect.TypeOf((*MockFullDataStore)(nil).AsTerminatableUpload), upload)
-}
-
-// AsConcatableUpload mocks base method
-func (m *MockFullDataStore) AsConcatableUpload(upload handler.Upload) handler.ConcatableUpload {
+// AsConcatableUpload mocks base method.
+func (m *MockFullDataStore) AsConcatableUpload(upload Upload) ConcatableUpload {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "AsConcatableUpload", upload)
-	ret0, _ := ret[0].(handler.ConcatableUpload)
+	ret0, _ := ret[0].(ConcatableUpload)
 	return ret0
 }
 
-// AsConcatableUpload indicates an expected call of AsConcatableUpload
+// AsConcatableUpload indicates an expected call of AsConcatableUpload.
 func (mr *MockFullDataStoreMockRecorder) AsConcatableUpload(upload interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AsConcatableUpload", reflect.TypeOf((*MockFullDataStore)(nil).AsConcatableUpload), upload)
 }
 
-// AsLengthDeclarableUpload mocks base method
-func (m *MockFullDataStore) AsLengthDeclarableUpload(upload handler.Upload) handler.LengthDeclarableUpload {
+// AsLengthDeclarableUpload mocks base method.
+func (m *MockFullDataStore) AsLengthDeclarableUpload(upload Upload) LengthDeclarableUpload {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "AsLengthDeclarableUpload", upload)
-	ret0, _ := ret[0].(handler.LengthDeclarableUpload)
+	ret0, _ := ret[0].(LengthDeclarableUpload)
 	return ret0
 }
 
-// AsLengthDeclarableUpload indicates an expected call of AsLengthDeclarableUpload
+// AsLengthDeclarableUpload indicates an expected call of AsLengthDeclarableUpload.
 func (mr *MockFullDataStoreMockRecorder) AsLengthDeclarableUpload(upload interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AsLengthDeclarableUpload", reflect.TypeOf((*MockFullDataStore)(nil).AsLengthDeclarableUpload), upload)
 }
 
-// MockFullUpload is a mock of FullUpload interface
+// AsTerminatableUpload mocks base method.
+func (m *MockFullDataStore) AsTerminatableUpload(upload Upload) TerminatableUpload {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "AsTerminatableUpload", upload)
+	ret0, _ := ret[0].(TerminatableUpload)
+	return ret0
+}
+
+// AsTerminatableUpload indicates an expected call of AsTerminatableUpload.
+func (mr *MockFullDataStoreMockRecorder) AsTerminatableUpload(upload interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AsTerminatableUpload", reflect.TypeOf((*MockFullDataStore)(nil).AsTerminatableUpload), upload)
+}
+
+// GetUpload mocks base method.
+func (m *MockFullDataStore) GetUpload(ctx context.Context, id string) (Upload, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetUpload", ctx, id)
+	ret0, _ := ret[0].(Upload)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetUpload indicates an expected call of GetUpload.
+func (mr *MockFullDataStoreMockRecorder) GetUpload(ctx, id interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetUpload", reflect.TypeOf((*MockFullDataStore)(nil).GetUpload), ctx, id)
+}
+
+// NewUpload mocks base method.
+func (m *MockFullDataStore) NewUpload(ctx context.Context, info FileInfo) (Upload, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "NewUpload", ctx, info)
+	ret0, _ := ret[0].(Upload)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// NewUpload indicates an expected call of NewUpload.
+func (mr *MockFullDataStoreMockRecorder) NewUpload(ctx, info interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NewUpload", reflect.TypeOf((*MockFullDataStore)(nil).NewUpload), ctx, info)
+}
+
+// MockFullUpload is a mock of FullUpload interface.
 type MockFullUpload struct {
 	ctrl     *gomock.Controller
 	recorder *MockFullUploadMockRecorder
 }
 
-// MockFullUploadMockRecorder is the mock recorder for MockFullUpload
+// MockFullUploadMockRecorder is the mock recorder for MockFullUpload.
 type MockFullUploadMockRecorder struct {
 	mock *MockFullUpload
 }
 
-// NewMockFullUpload creates a new mock instance
+// NewMockFullUpload creates a new mock instance.
 func NewMockFullUpload(ctrl *gomock.Controller) *MockFullUpload {
 	mock := &MockFullUpload{ctrl: ctrl}
 	mock.recorder = &MockFullUploadMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockFullUpload) EXPECT() *MockFullUploadMockRecorder {
 	return m.recorder
 }
 
-// WriteChunk mocks base method
+// ConcatUploads mocks base method.
+func (m *MockFullUpload) ConcatUploads(ctx context.Context, partialUploads []Upload) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ConcatUploads", ctx, partialUploads)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// ConcatUploads indicates an expected call of ConcatUploads.
+func (mr *MockFullUploadMockRecorder) ConcatUploads(ctx, partialUploads interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ConcatUploads", reflect.TypeOf((*MockFullUpload)(nil).ConcatUploads), ctx, partialUploads)
+}
+
+// DeclareLength mocks base method.
+func (m *MockFullUpload) DeclareLength(ctx context.Context, length int64) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeclareLength", ctx, length)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeclareLength indicates an expected call of DeclareLength.
+func (mr *MockFullUploadMockRecorder) DeclareLength(ctx, length interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeclareLength", reflect.TypeOf((*MockFullUpload)(nil).DeclareLength), ctx, length)
+}
+
+// FinishUpload mocks base method.
+func (m *MockFullUpload) FinishUpload(ctx context.Context) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "FinishUpload", ctx)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// FinishUpload indicates an expected call of FinishUpload.
+func (mr *MockFullUploadMockRecorder) FinishUpload(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FinishUpload", reflect.TypeOf((*MockFullUpload)(nil).FinishUpload), ctx)
+}
+
+// GetInfo mocks base method.
+func (m *MockFullUpload) GetInfo(ctx context.Context) (FileInfo, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetInfo", ctx)
+	ret0, _ := ret[0].(FileInfo)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetInfo indicates an expected call of GetInfo.
+func (mr *MockFullUploadMockRecorder) GetInfo(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetInfo", reflect.TypeOf((*MockFullUpload)(nil).GetInfo), ctx)
+}
+
+// GetReader mocks base method.
+func (m *MockFullUpload) GetReader(ctx context.Context) (io.ReadCloser, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetReader", ctx)
+	ret0, _ := ret[0].(io.ReadCloser)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetReader indicates an expected call of GetReader.
+func (mr *MockFullUploadMockRecorder) GetReader(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetReader", reflect.TypeOf((*MockFullUpload)(nil).GetReader), ctx)
+}
+
+// Terminate mocks base method.
+func (m *MockFullUpload) Terminate(ctx context.Context) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Terminate", ctx)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Terminate indicates an expected call of Terminate.
+func (mr *MockFullUploadMockRecorder) Terminate(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Terminate", reflect.TypeOf((*MockFullUpload)(nil).Terminate), ctx)
+}
+
+// WriteChunk mocks base method.
 func (m *MockFullUpload) WriteChunk(ctx context.Context, offset int64, src io.Reader) (int64, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "WriteChunk", ctx, offset, src)
@@ -139,160 +225,74 @@ func (m *MockFullUpload) WriteChunk(ctx context.Context, offset int64, src io.Re
 	return ret0, ret1
 }
 
-// WriteChunk indicates an expected call of WriteChunk
+// WriteChunk indicates an expected call of WriteChunk.
 func (mr *MockFullUploadMockRecorder) WriteChunk(ctx, offset, src interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "WriteChunk", reflect.TypeOf((*MockFullUpload)(nil).WriteChunk), ctx, offset, src)
 }
 
-// GetInfo mocks base method
-func (m *MockFullUpload) GetInfo(ctx context.Context) (handler.FileInfo, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetInfo", ctx)
-	ret0, _ := ret[0].(handler.FileInfo)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetInfo indicates an expected call of GetInfo
-func (mr *MockFullUploadMockRecorder) GetInfo(ctx interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetInfo", reflect.TypeOf((*MockFullUpload)(nil).GetInfo), ctx)
-}
-
-// GetReader mocks base method
-func (m *MockFullUpload) GetReader(ctx context.Context) (io.Reader, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "GetReader", ctx)
-	ret0, _ := ret[0].(io.Reader)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// GetReader indicates an expected call of GetReader
-func (mr *MockFullUploadMockRecorder) GetReader(ctx interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetReader", reflect.TypeOf((*MockFullUpload)(nil).GetReader), ctx)
-}
-
-// FinishUpload mocks base method
-func (m *MockFullUpload) FinishUpload(ctx context.Context) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "FinishUpload", ctx)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// FinishUpload indicates an expected call of FinishUpload
-func (mr *MockFullUploadMockRecorder) FinishUpload(ctx interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "FinishUpload", reflect.TypeOf((*MockFullUpload)(nil).FinishUpload), ctx)
-}
-
-// Terminate mocks base method
-func (m *MockFullUpload) Terminate(ctx context.Context) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Terminate", ctx)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// Terminate indicates an expected call of Terminate
-func (mr *MockFullUploadMockRecorder) Terminate(ctx interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Terminate", reflect.TypeOf((*MockFullUpload)(nil).Terminate), ctx)
-}
-
-// DeclareLength mocks base method
-func (m *MockFullUpload) DeclareLength(ctx context.Context, length int64) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "DeclareLength", ctx, length)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// DeclareLength indicates an expected call of DeclareLength
-func (mr *MockFullUploadMockRecorder) DeclareLength(ctx, length interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeclareLength", reflect.TypeOf((*MockFullUpload)(nil).DeclareLength), ctx, length)
-}
-
-// ConcatUploads mocks base method
-func (m *MockFullUpload) ConcatUploads(ctx context.Context, partialUploads []handler.Upload) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "ConcatUploads", ctx, partialUploads)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// ConcatUploads indicates an expected call of ConcatUploads
-func (mr *MockFullUploadMockRecorder) ConcatUploads(ctx, partialUploads interface{}) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ConcatUploads", reflect.TypeOf((*MockFullUpload)(nil).ConcatUploads), ctx, partialUploads)
-}
-
-// MockFullLocker is a mock of FullLocker interface
+// MockFullLocker is a mock of FullLocker interface.
 type MockFullLocker struct {
 	ctrl     *gomock.Controller
 	recorder *MockFullLockerMockRecorder
 }
 
-// MockFullLockerMockRecorder is the mock recorder for MockFullLocker
+// MockFullLockerMockRecorder is the mock recorder for MockFullLocker.
 type MockFullLockerMockRecorder struct {
 	mock *MockFullLocker
 }
 
-// NewMockFullLocker creates a new mock instance
+// NewMockFullLocker creates a new mock instance.
 func NewMockFullLocker(ctrl *gomock.Controller) *MockFullLocker {
 	mock := &MockFullLocker{ctrl: ctrl}
 	mock.recorder = &MockFullLockerMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockFullLocker) EXPECT() *MockFullLockerMockRecorder {
 	return m.recorder
 }
 
-// NewLock mocks base method
-func (m *MockFullLocker) NewLock(id string) (handler.Lock, error) {
+// NewLock mocks base method.
+func (m *MockFullLocker) NewLock(id string) (Lock, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "NewLock", id)
-	ret0, _ := ret[0].(handler.Lock)
+	ret0, _ := ret[0].(Lock)
 	ret1, _ := ret[1].(error)
 	return ret0, ret1
 }
 
-// NewLock indicates an expected call of NewLock
+// NewLock indicates an expected call of NewLock.
 func (mr *MockFullLockerMockRecorder) NewLock(id interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "NewLock", reflect.TypeOf((*MockFullLocker)(nil).NewLock), id)
 }
 
-// MockFullLock is a mock of FullLock interface
+// MockFullLock is a mock of FullLock interface.
 type MockFullLock struct {
 	ctrl     *gomock.Controller
 	recorder *MockFullLockMockRecorder
 }
 
-// MockFullLockMockRecorder is the mock recorder for MockFullLock
+// MockFullLockMockRecorder is the mock recorder for MockFullLock.
 type MockFullLockMockRecorder struct {
 	mock *MockFullLock
 }
 
-// NewMockFullLock creates a new mock instance
+// NewMockFullLock creates a new mock instance.
 func NewMockFullLock(ctrl *gomock.Controller) *MockFullLock {
 	mock := &MockFullLock{ctrl: ctrl}
 	mock.recorder = &MockFullLockMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockFullLock) EXPECT() *MockFullLockMockRecorder {
 	return m.recorder
 }
 
-// Lock mocks base method
+// Lock mocks base method.
 func (m *MockFullLock) Lock(ctx context.Context, requestUnlock func()) error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Lock", ctx, requestUnlock)
@@ -300,13 +300,13 @@ func (m *MockFullLock) Lock(ctx context.Context, requestUnlock func()) error {
 	return ret0
 }
 
-// Lock indicates an expected call of Lock
+// Lock indicates an expected call of Lock.
 func (mr *MockFullLockMockRecorder) Lock(ctx, requestUnlock interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Lock", reflect.TypeOf((*MockFullLock)(nil).Lock), ctx, requestUnlock)
 }
 
-// Unlock mocks base method
+// Unlock mocks base method.
 func (m *MockFullLock) Unlock() error {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Unlock")
@@ -314,7 +314,7 @@ func (m *MockFullLock) Unlock() error {
 	return ret0
 }
 
-// Unlock indicates an expected call of Unlock
+// Unlock indicates an expected call of Unlock.
 func (mr *MockFullLockMockRecorder) Unlock() *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Unlock", reflect.TypeOf((*MockFullLock)(nil).Unlock))
diff --git a/pkg/handler/unrouted_handler.go b/pkg/handler/unrouted_handler.go
index c715e9a..b29461d 100644
--- a/pkg/handler/unrouted_handler.go
+++ b/pkg/handler/unrouted_handler.go
@@ -748,10 +748,7 @@ func (handler *UnroutedHandler) GetFile(w http.ResponseWriter, r *http.Request)
 	handler.sendResp(c, resp)
 	io.Copy(w, src)
 
-	// Try to close the reader if the io.Closer interface is implemented
-	if closer, ok := src.(io.Closer); ok {
-		closer.Close()
-	}
+	src.Close()
 }
 
 // mimeInlineBrowserWhitelist is a map containing MIME types which should be
diff --git a/pkg/s3store/s3store.go b/pkg/s3store/s3store.go
index 9ddb517..4988194 100644
--- a/pkg/s3store/s3store.go
+++ b/pkg/s3store/s3store.go
@@ -686,7 +686,7 @@ func (upload s3Upload) fetchInfo(ctx context.Context) (info handler.FileInfo, pa
 	return info, parts, incompletePartSize, nil
 }
 
-func (upload s3Upload) GetReader(ctx context.Context) (io.Reader, error) {
+func (upload s3Upload) GetReader(ctx context.Context) (io.ReadCloser, error) {
 	id := upload.id
 	store := upload.store
 	uploadId, multipartId := splitIds(id)
diff --git a/pkg/s3store/s3store_mock_test.go b/pkg/s3store/s3store_mock_test.go
index 3d2af90..b99c0f2 100644
--- a/pkg/s3store/s3store_mock_test.go
+++ b/pkg/s3store/s3store_mock_test.go
@@ -13,30 +13,30 @@ import (
 	gomock "github.com/golang/mock/gomock"
 )
 
-// MockS3API is a mock of S3API interface
+// MockS3API is a mock of S3API interface.
 type MockS3API struct {
 	ctrl     *gomock.Controller
 	recorder *MockS3APIMockRecorder
 }
 
-// MockS3APIMockRecorder is the mock recorder for MockS3API
+// MockS3APIMockRecorder is the mock recorder for MockS3API.
 type MockS3APIMockRecorder struct {
 	mock *MockS3API
 }
 
-// NewMockS3API creates a new mock instance
+// NewMockS3API creates a new mock instance.
 func NewMockS3API(ctrl *gomock.Controller) *MockS3API {
 	mock := &MockS3API{ctrl: ctrl}
 	mock.recorder = &MockS3APIMockRecorder{mock}
 	return mock
 }
 
-// EXPECT returns an object that allows the caller to indicate expected use
+// EXPECT returns an object that allows the caller to indicate expected use.
 func (m *MockS3API) EXPECT() *MockS3APIMockRecorder {
 	return m.recorder
 }
 
-// AbortMultipartUploadWithContext mocks base method
+// AbortMultipartUploadWithContext mocks base method.
 func (m *MockS3API) AbortMultipartUploadWithContext(arg0 context.Context, arg1 *s3.AbortMultipartUploadInput, arg2 ...request.Option) (*s3.AbortMultipartUploadOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -49,14 +49,14 @@ func (m *MockS3API) AbortMultipartUploadWithContext(arg0 context.Context, arg1 *
 	return ret0, ret1
 }
 
-// AbortMultipartUploadWithContext indicates an expected call of AbortMultipartUploadWithContext
+// AbortMultipartUploadWithContext indicates an expected call of AbortMultipartUploadWithContext.
 func (mr *MockS3APIMockRecorder) AbortMultipartUploadWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AbortMultipartUploadWithContext", reflect.TypeOf((*MockS3API)(nil).AbortMultipartUploadWithContext), varargs...)
 }
 
-// CompleteMultipartUploadWithContext mocks base method
+// CompleteMultipartUploadWithContext mocks base method.
 func (m *MockS3API) CompleteMultipartUploadWithContext(arg0 context.Context, arg1 *s3.CompleteMultipartUploadInput, arg2 ...request.Option) (*s3.CompleteMultipartUploadOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -69,14 +69,14 @@ func (m *MockS3API) CompleteMultipartUploadWithContext(arg0 context.Context, arg
 	return ret0, ret1
 }
 
-// CompleteMultipartUploadWithContext indicates an expected call of CompleteMultipartUploadWithContext
+// CompleteMultipartUploadWithContext indicates an expected call of CompleteMultipartUploadWithContext.
 func (mr *MockS3APIMockRecorder) CompleteMultipartUploadWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CompleteMultipartUploadWithContext", reflect.TypeOf((*MockS3API)(nil).CompleteMultipartUploadWithContext), varargs...)
 }
 
-// CreateMultipartUploadWithContext mocks base method
+// CreateMultipartUploadWithContext mocks base method.
 func (m *MockS3API) CreateMultipartUploadWithContext(arg0 context.Context, arg1 *s3.CreateMultipartUploadInput, arg2 ...request.Option) (*s3.CreateMultipartUploadOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -89,14 +89,14 @@ func (m *MockS3API) CreateMultipartUploadWithContext(arg0 context.Context, arg1
 	return ret0, ret1
 }
 
-// CreateMultipartUploadWithContext indicates an expected call of CreateMultipartUploadWithContext
+// CreateMultipartUploadWithContext indicates an expected call of CreateMultipartUploadWithContext.
 func (mr *MockS3APIMockRecorder) CreateMultipartUploadWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateMultipartUploadWithContext", reflect.TypeOf((*MockS3API)(nil).CreateMultipartUploadWithContext), varargs...)
 }
 
-// DeleteObjectWithContext mocks base method
+// DeleteObjectWithContext mocks base method.
 func (m *MockS3API) DeleteObjectWithContext(arg0 context.Context, arg1 *s3.DeleteObjectInput, arg2 ...request.Option) (*s3.DeleteObjectOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -109,14 +109,14 @@ func (m *MockS3API) DeleteObjectWithContext(arg0 context.Context, arg1 *s3.Delet
 	return ret0, ret1
 }
 
-// DeleteObjectWithContext indicates an expected call of DeleteObjectWithContext
+// DeleteObjectWithContext indicates an expected call of DeleteObjectWithContext.
 func (mr *MockS3APIMockRecorder) DeleteObjectWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteObjectWithContext", reflect.TypeOf((*MockS3API)(nil).DeleteObjectWithContext), varargs...)
 }
 
-// DeleteObjectsWithContext mocks base method
+// DeleteObjectsWithContext mocks base method.
 func (m *MockS3API) DeleteObjectsWithContext(arg0 context.Context, arg1 *s3.DeleteObjectsInput, arg2 ...request.Option) (*s3.DeleteObjectsOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -129,14 +129,14 @@ func (m *MockS3API) DeleteObjectsWithContext(arg0 context.Context, arg1 *s3.Dele
 	return ret0, ret1
 }
 
-// DeleteObjectsWithContext indicates an expected call of DeleteObjectsWithContext
+// DeleteObjectsWithContext indicates an expected call of DeleteObjectsWithContext.
 func (mr *MockS3APIMockRecorder) DeleteObjectsWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteObjectsWithContext", reflect.TypeOf((*MockS3API)(nil).DeleteObjectsWithContext), varargs...)
 }
 
-// GetObjectWithContext mocks base method
+// GetObjectWithContext mocks base method.
 func (m *MockS3API) GetObjectWithContext(arg0 context.Context, arg1 *s3.GetObjectInput, arg2 ...request.Option) (*s3.GetObjectOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -149,14 +149,14 @@ func (m *MockS3API) GetObjectWithContext(arg0 context.Context, arg1 *s3.GetObjec
 	return ret0, ret1
 }
 
-// GetObjectWithContext indicates an expected call of GetObjectWithContext
+// GetObjectWithContext indicates an expected call of GetObjectWithContext.
 func (mr *MockS3APIMockRecorder) GetObjectWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectWithContext", reflect.TypeOf((*MockS3API)(nil).GetObjectWithContext), varargs...)
 }
 
-// HeadObjectWithContext mocks base method
+// HeadObjectWithContext mocks base method.
 func (m *MockS3API) HeadObjectWithContext(arg0 context.Context, arg1 *s3.HeadObjectInput, arg2 ...request.Option) (*s3.HeadObjectOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -169,14 +169,14 @@ func (m *MockS3API) HeadObjectWithContext(arg0 context.Context, arg1 *s3.HeadObj
 	return ret0, ret1
 }
 
-// HeadObjectWithContext indicates an expected call of HeadObjectWithContext
+// HeadObjectWithContext indicates an expected call of HeadObjectWithContext.
 func (mr *MockS3APIMockRecorder) HeadObjectWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "HeadObjectWithContext", reflect.TypeOf((*MockS3API)(nil).HeadObjectWithContext), varargs...)
 }
 
-// ListPartsWithContext mocks base method
+// ListPartsWithContext mocks base method.
 func (m *MockS3API) ListPartsWithContext(arg0 context.Context, arg1 *s3.ListPartsInput, arg2 ...request.Option) (*s3.ListPartsOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -189,14 +189,14 @@ func (m *MockS3API) ListPartsWithContext(arg0 context.Context, arg1 *s3.ListPart
 	return ret0, ret1
 }
 
-// ListPartsWithContext indicates an expected call of ListPartsWithContext
+// ListPartsWithContext indicates an expected call of ListPartsWithContext.
 func (mr *MockS3APIMockRecorder) ListPartsWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListPartsWithContext", reflect.TypeOf((*MockS3API)(nil).ListPartsWithContext), varargs...)
 }
 
-// PutObjectWithContext mocks base method
+// PutObjectWithContext mocks base method.
 func (m *MockS3API) PutObjectWithContext(arg0 context.Context, arg1 *s3.PutObjectInput, arg2 ...request.Option) (*s3.PutObjectOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -209,14 +209,14 @@ func (m *MockS3API) PutObjectWithContext(arg0 context.Context, arg1 *s3.PutObjec
 	return ret0, ret1
 }
 
-// PutObjectWithContext indicates an expected call of PutObjectWithContext
+// PutObjectWithContext indicates an expected call of PutObjectWithContext.
 func (mr *MockS3APIMockRecorder) PutObjectWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PutObjectWithContext", reflect.TypeOf((*MockS3API)(nil).PutObjectWithContext), varargs...)
 }
 
-// UploadPartCopyWithContext mocks base method
+// UploadPartCopyWithContext mocks base method.
 func (m *MockS3API) UploadPartCopyWithContext(arg0 context.Context, arg1 *s3.UploadPartCopyInput, arg2 ...request.Option) (*s3.UploadPartCopyOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -229,14 +229,14 @@ func (m *MockS3API) UploadPartCopyWithContext(arg0 context.Context, arg1 *s3.Upl
 	return ret0, ret1
 }
 
-// UploadPartCopyWithContext indicates an expected call of UploadPartCopyWithContext
+// UploadPartCopyWithContext indicates an expected call of UploadPartCopyWithContext.
 func (mr *MockS3APIMockRecorder) UploadPartCopyWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UploadPartCopyWithContext", reflect.TypeOf((*MockS3API)(nil).UploadPartCopyWithContext), varargs...)
 }
 
-// UploadPartWithContext mocks base method
+// UploadPartWithContext mocks base method.
 func (m *MockS3API) UploadPartWithContext(arg0 context.Context, arg1 *s3.UploadPartInput, arg2 ...request.Option) (*s3.UploadPartOutput, error) {
 	m.ctrl.T.Helper()
 	varargs := []interface{}{arg0, arg1}
@@ -249,7 +249,7 @@ func (m *MockS3API) UploadPartWithContext(arg0 context.Context, arg1 *s3.UploadP
 	return ret0, ret1
 }
 
-// UploadPartWithContext indicates an expected call of UploadPartWithContext
+// UploadPartWithContext indicates an expected call of UploadPartWithContext.
 func (mr *MockS3APIMockRecorder) UploadPartWithContext(arg0, arg1 interface{}, arg2 ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	varargs := append([]interface{}{arg0, arg1}, arg2...)