When rebuilding `sia` use the `portal-latest` branch and the `latest` container by default.

docker-compose.yml

@@ -19,7 +19,7 @@ services:
       context: ./docker/sia
       dockerfile: Dockerfile
       args:
-        branch: v1.5.5
+        branch: portal-latest
     container_name: sia
     restart: unless-stopped
     logging: *default-logging

docker/sia/Dockerfile

@@ -3,12 +3,12 @@ FROM golang AS sia-builder
 ENV GOOS linux
 ENV GOARCH amd64
 
-ARG branch=master
+ARG branch=portal-latest
 
 RUN git clone https://gitlab.com/SkynetHQ/skyd.git Sia --single-branch --branch ${branch}
 RUN make release --directory Sia
 
-FROM nebulouslabs/sia:1.5.5
+FROM nebulouslabs/sia:latest
 
 COPY --from=sia-builder /go/bin/skyd /usr/bin/siad
 COPY --from=sia-builder /go/bin/skyc /usr/bin/siac