Add dispatch workflow to update the latest tag

.github/workflows/docker_update_latest_tag.yml

@@ -0,0 +1,181 @@
+name: Docker - Update latest tag
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'The Docker image tag to pull'
+        required: true
+        type: string
+
+jobs:
+  retag-and-push:
+    strategy:
+      matrix:
+        service:
+          - frontend
+          - backend
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        id: buildx
+        with:
+          install: true
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Get source image manifest and SHAs
+        id: source-manifest
+        run: |
+          set -e
+          echo "Fetching source manifest..."
+          MANIFEST=$(docker manifest inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:${{ github.event.inputs.tag }})
+          if [ -z "$MANIFEST" ]; then
+            echo "No manifest found. Assuming single-arch image."
+            exit 1
+          fi
+          
+          echo "Original source manifest:"
+          echo "$MANIFEST" | jq .
+          
+          AMD64_SHA=$(echo "$MANIFEST" | jq -r '.manifests[] | select(.platform.architecture=="amd64" and .platform.os=="linux") | .digest')
+          ARM64_SHA=$(echo "$MANIFEST" | jq -r '.manifests[] | select(.platform.architecture=="arm64" and .platform.os=="linux") | .digest')
+          
+          if [ -z "$AMD64_SHA" ] || [ -z "$ARM64_SHA" ]; then
+            echo "Source image is not multi-arch (missing amd64 or arm64)"
+            exit 1
+          fi
+          
+          echo "Source amd64 manifest digest: $AMD64_SHA"
+          echo "Source arm64 manifest digest: $ARM64_SHA"
+          
+          echo "amd64_sha=$AMD64_SHA" >> $GITHUB_OUTPUT
+          echo "arm64_sha=$ARM64_SHA" >> $GITHUB_OUTPUT
+
+      - name: Pull and retag architecture-specific images
+        run: |
+          set -e
+          
+          docker buildx inspect --bootstrap
+          
+          # Remove any existing local images to avoid cache interference
+          echo "Removing existing local images if they exist..."
+          docker image rm ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:${{ github.event.inputs.tag }} || true
+          
+          # Pull amd64 image by digest
+          echo "Pulling amd64 image by digest..."
+          docker pull --platform linux/amd64 ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.amd64_sha }}
+          PULLED_AMD64_MANIFEST_DIGEST=$(docker inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.amd64_sha }} --format '{{index .RepoDigests 0}}' | cut -d@ -f2)
+          PULLED_AMD64_IMAGE_ID=$(docker inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.amd64_sha }} --format '{{.Id}}')
+          echo "Pulled amd64 manifest digest: $PULLED_AMD64_MANIFEST_DIGEST"
+          echo "Pulled amd64 image ID (sha256): $PULLED_AMD64_IMAGE_ID"
+          
+          # Pull arm64 image by digest
+          echo "Pulling arm64 image by digest..."
+          docker pull --platform linux/arm64 ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.arm64_sha }}
+          PULLED_ARM64_MANIFEST_DIGEST=$(docker inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.arm64_sha }} --format '{{index .RepoDigests 0}}' | cut -d@ -f2)
+          PULLED_ARM64_IMAGE_ID=$(docker inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.arm64_sha }} --format '{{.Id}}')
+          echo "Pulled arm64 manifest digest: $PULLED_ARM64_MANIFEST_DIGEST"
+          echo "Pulled arm64 image ID (sha256): $PULLED_ARM64_IMAGE_ID"
+          
+          # Tag the images
+          docker tag ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.amd64_sha }} ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-amd64
+          docker tag ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.arm64_sha }} ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-arm64
+          
+          # Verify tagged images
+          TAGGED_AMD64_IMAGE_ID=$(docker inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-amd64 --format '{{.Id}}')
+          TAGGED_ARM64_IMAGE_ID=$(docker inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-arm64 --format '{{.Id}}')
+          echo "Tagged amd64 image ID (sha256): $TAGGED_AMD64_IMAGE_ID"
+          echo "Tagged arm64 image ID (sha256): $TAGGED_ARM64_IMAGE_ID"
+
+      - name: Push architecture-specific images
+        run: |
+          set -e
+          
+          echo "Pushing amd64 image..."
+          docker push ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-amd64
+          PUSHED_AMD64_DIGEST=$(docker inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-amd64 --format '{{index .RepoDigests 0}}' | cut -d@ -f2)
+          echo "Pushed amd64 manifest digest (local): $PUSHED_AMD64_DIGEST"
+          
+          # Fetch manifest from registry after push
+          echo "Fetching pushed amd64 manifest from registry..."
+          PUSHED_AMD64_REGISTRY_MANIFEST=$(docker manifest inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-amd64)
+          PUSHED_AMD64_REGISTRY_DIGEST=$(echo "$PUSHED_AMD64_REGISTRY_MANIFEST" | jq -r '.config.digest')
+          echo "Pushed amd64 manifest digest (registry): $PUSHED_AMD64_REGISTRY_DIGEST"
+          
+          echo "Pushing arm64 image..."
+          docker push ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-arm64
+          PUSHED_ARM64_DIGEST=$(docker inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-arm64 --format '{{index .RepoDigests 0}}' | cut -d@ -f2)
+          echo "Pushed arm64 manifest digest (local): $PUSHED_ARM64_DIGEST"
+          
+          # Fetch manifest from registry after push
+          echo "Fetching pushed arm64 manifest from registry..."
+          PUSHED_ARM64_REGISTRY_MANIFEST=$(docker manifest inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-arm64)
+          PUSHED_ARM64_REGISTRY_DIGEST=$(echo "$PUSHED_ARM64_REGISTRY_MANIFEST" | jq -r '.config.digest')
+          echo "Pushed arm64 manifest digest (registry): $PUSHED_ARM64_REGISTRY_DIGEST"
+
+      - name: Create and push multi-arch manifest with original digests
+        run: |
+          set -e
+          
+          echo "Creating multi-arch manifest with original digests..."
+          docker manifest create ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest \
+            ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.amd64_sha }} \
+            ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}@${{ steps.source-manifest.outputs.arm64_sha }}
+            
+          echo "Pushing multi-arch manifest..."
+          docker manifest push ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest
+
+      - name: Clean up intermediate tags
+        if: success()
+        run: |
+          docker rmi ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-amd64 || true
+          docker rmi ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest-arm64 || true
+          docker rmi ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:${{ github.event.inputs.tag }} || true
+
+      - name: Verify final manifest
+        run: |
+          set -e
+          echo "Fetching final generated manifest..."
+          FINAL_MANIFEST=$(docker manifest inspect ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest)
+          echo "Generated final manifest:"
+          echo "$FINAL_MANIFEST" | jq .
+          
+          FINAL_AMD64_SHA=$(echo "$FINAL_MANIFEST" | jq -r '.manifests[] | select(.platform.architecture=="amd64" and .platform.os=="linux") | .digest')
+          FINAL_ARM64_SHA=$(echo "$FINAL_MANIFEST" | jq -r '.manifests[] | select(.platform.architecture=="arm64" and .platform.os=="linux") | .digest')
+          
+          echo "Final amd64 manifest digest: $FINAL_AMD64_SHA"
+          echo "Final arm64 manifest digest: $FINAL_ARM64_SHA"
+          
+          # Compare all digests
+          echo "Comparing digests..."
+          echo "Source amd64 digest: ${{ steps.source-manifest.outputs.amd64_sha }}"
+          echo "Pulled amd64 manifest digest: $PULLED_AMD64_MANIFEST_DIGEST"
+          echo "Pushed amd64 manifest digest (local): $PUSHED_AMD64_DIGEST"
+          echo "Pushed amd64 manifest digest (registry): $PUSHED_AMD64_REGISTRY_DIGEST"
+          echo "Final amd64 digest: $FINAL_AMD64_SHA"
+          echo "Source arm64 digest: ${{ steps.source-manifest.outputs.arm64_sha }}"
+          echo "Pulled arm64 manifest digest: $PULLED_ARM64_MANIFEST_DIGEST"
+          echo "Pushed arm64 manifest digest (local): $PUSHED_ARM64_DIGEST"
+          echo "Pushed arm64 manifest digest (registry): $PUSHED_ARM64_REGISTRY_DIGEST"
+          echo "Final arm64 digest: $FINAL_ARM64_SHA"
+          
+          if [ "$FINAL_AMD64_SHA" != "${{ steps.source-manifest.outputs.amd64_sha }}" ] || [ "$FINAL_ARM64_SHA" != "${{ steps.source-manifest.outputs.arm64_sha }}" ]; then
+            echo "Error: Final manifest SHAs do not match source SHAs"
+            exit 1
+          fi
+          
+          echo "Successfully created multi-arch ${{ secrets.DOCKER_USERNAME }}/${{ matrix.service }}:latest from ${{ github.event.inputs.tag }}"