Fix release workflow: use single multi-arch Docker build

Author: rajsinghtech

.github/workflows/release.yml

@@ -14,7 +14,6 @@ env:
   IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  # Build binaries with GoReleaser (fast, parallel builds)
   binaries:
     runs-on: ubuntu-latest
     steps:
@@ -25,10 +24,13 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: '1.24'
+          cache-dependency-path: backend/go.sum
 
       - uses: actions/setup-node@v4
         with:
           node-version: '20'
+          cache: 'npm'
+          cache-dependency-path: frontend/package-lock.json
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
@@ -40,38 +42,12 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.HOMEBREW_TAP_GITHUB_TOKEN }}
 
-  # Build Docker images in parallel (one per arch, no QEMU)
-  docker-amd64:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: docker/setup-buildx-action@v3
-
-      - uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build and push amd64
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          platforms: linux/amd64
-          push: true
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}-amd64
-          cache-from: type=gha,scope=amd64
-          cache-to: type=gha,mode=max,scope=amd64
-
-  docker-arm64:
+  docker:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
 
       - uses: docker/setup-qemu-action@v3
-        with:
-          platforms: arm64
 
       - uses: docker/setup-buildx-action@v3
 
@@ -81,36 +57,23 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and push arm64
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest
+
+      - name: Build and push
         uses: docker/build-push-action@v6
         with:
           context: .
-          platforms: linux/arm64
+          platforms: linux/amd64,linux/arm64
           push: true
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}-arm64
-          cache-from: type=gha,scope=arm64
-          cache-to: type=gha,mode=max,scope=arm64
-
-  # Create multi-arch manifest after both builds complete
-  docker-manifest:
-    runs-on: ubuntu-latest
-    needs: [docker-amd64, docker-arm64]
-    steps:
-      - uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Create and push manifest
-        run: |
-          docker manifest create ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }} \
-            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}-amd64 \
-            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}-arm64
-
-          docker manifest create ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest \
-            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}-amd64 \
-            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}-arm64
-
-          docker manifest push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}
-          docker manifest push ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max