fix: Simplify container image publishing by removing redundant docker login and push steps

Author: iammukeshm

.github/workflows/build-and-push-containers.yml

@@ -22,49 +22,29 @@ jobs:
         with:
           dotnet-version: '10.0.x'
 
-      - name: docker login
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
+      # Credentials for .NET container tooling to talk to GHCR
       - name: Publish API container image
         working-directory: ${{ github.workspace }}
+        env:
+          DOTNET_CONTAINER_REGISTRY_USERNAME: ${{ github.actor }}
+          DOTNET_CONTAINER_REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
         run: |
           dotnet publish src/Playground/Playground.Api/Playground.Api.csproj \
             -c Release -r linux-x64 \
             -p:PublishProfile=DefaultContainer \
             -p:ContainerRegistry=ghcr.io \
             -p:ContainerRepository=${{ github.repository_owner }}/fsh-playground-api \
-            -p:ContainerImageTags=${{ github.sha }}
+            -p:ContainerImageTags='${{ github.sha }};latest'
 
       - name: Publish Blazor container image
         working-directory: ${{ github.workspace }}
+        env:
+          DOTNET_CONTAINER_REGISTRY_USERNAME: ${{ github.actor }}
+          DOTNET_CONTAINER_REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
         run: |
           dotnet publish src/Playground/Playground.Blazor/Playground.Blazor.csproj \
             -c Release -r linux-x64 \
             -p:PublishProfile=DefaultContainer \
             -p:ContainerRegistry=ghcr.io \
             -p:ContainerRepository=${{ github.repository_owner }}/fsh-playground-blazor \
-            -p:ContainerImageTags=${{ github.sha }}
-
-      - name: Tag images with latest
-        working-directory: ${{ github.workspace }}
-        run: |
-          docker tag ghcr.io/${{ github.repository_owner }}/fsh-playground-api:${{ github.sha }} \
-                    ghcr.io/${{ github.repository_owner }}/fsh-playground-api:latest
-          docker tag ghcr.io/${{ github.repository_owner }}/fsh-playground-blazor:${{ github.sha }} \
-                    ghcr.io/${{ github.repository_owner }}/fsh-playground-blazor:latest
-
-      - name: Push API images to GHCR
-        working-directory: ${{ github.workspace }}
-        run: |
-          docker push ghcr.io/${{ github.repository_owner }}/fsh-playground-api:${{ github.sha }}
-          docker push ghcr.io/${{ github.repository_owner }}/fsh-playground-api:latest
-
-      - name: Push Blazor images to GHCR
-        working-directory: ${{ github.workspace }}
-        run: |
-          docker push ghcr.io/${{ github.repository_owner }}/fsh-playground-blazor:${{ github.sha }}
-          docker push ghcr.io/${{ github.repository_owner }}/fsh-playground-blazor:latest
+            -p:ContainerImageTags='${{ github.sha }};latest'