refactor: always ensure the db connection closes by using a defer

main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	"embed"
+	"fmt"
 	"git.lumeweb.com/LumeWeb/portal/config"
 	"git.lumeweb.com/LumeWeb/portal/controller"
 	"git.lumeweb.com/LumeWeb/portal/db"
@@ -13,15 +14,18 @@ import (
 	"git.lumeweb.com/LumeWeb/portal/service/files"
 	"git.lumeweb.com/LumeWeb/portal/shared"
 	"git.lumeweb.com/LumeWeb/portal/tus"
+	nriris "github.com/iris-contrib/middleware/newrelic"
 	"github.com/iris-contrib/swagger"
 	"github.com/iris-contrib/swagger/swaggerFiles"
 	"github.com/kataras/iris/v12"
 	irisContext "github.com/kataras/iris/v12/context"
 	"github.com/kataras/iris/v12/middleware/cors"
 	"github.com/kataras/iris/v12/mvc"
+	"github.com/spf13/viper"
 	"go.uber.org/zap"
 	"log"
 	"net/http"
+	"os"
 )
 
 // Embed a directory of static files for serving from the app's root path
@@ -48,6 +52,13 @@ func main() {
 
 	// Initialize the database connection
 	db.Init()
+	defer func() {
+		err := db.Close()
+
+		if err != nil {
+			logger.Get().Error("Failed to close db connection", zap.Error(err))
+		}
+	}()
 	logger.Init()
 	files.Init()
 	auth.Init()
@@ -66,6 +77,21 @@ func main() {
 
 	tusHandler := tus.Init()
 
+	if viper.IsSet("newrelic.license") {
+		nrAapp, err := newrelic.NewApplication(
+			newrelic.ConfigAppName(viper.GetString("newrelic.appname")),
+			newrelic.ConfigLicense(viper.GetString("newrelic.license")),
+			newrelic.ConfigAppLogForwardingEnabled(true),
+		)
+
+		if nil != err {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+
+		app.Use(nriris.New(nrAapp))
+	}
+
 	// Register the AccountController with the MVC framework and attach it to the "/api/account" path
 	mvc.Configure(v1.Party("/account"), func(app *mvc.Application) {
 		app.Handle(new(controller.AccountController))
@@ -116,12 +142,6 @@ func main() {
 	})
 
 	if err != nil {
-		logger.Get().Error("Failed starting webserver proof", zap.Error(err))
-	}
-
-	err = db.Close()
-
-	if err != nil {
-		logger.Get().Error("Failed to close db connection", zap.Error(err))
+		logger.Get().Error("Failed starting webserver", zap.Error(err))
 	}
 }