DEV-396: Tag images without forcing a rebuild (#4)

Author: danschmidt5189

.github/workflows/release.yml

@@ -6,15 +6,22 @@ on:
       - '*'
   workflow_dispatch:
 
+env:
+  DOCKER_METADATA_SET_OUTPUT_ENV: 'true'
+
 jobs:
-  verify:
+  retag:
     runs-on: ubuntu-latest
-    outputs:
-      base_image: ${{ steps.get-base-image.outputs.tags }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
@@ -30,33 +37,13 @@ jobs:
           tags: type=sha
 
       - name: Verify that the image was previously built
-        run: docker pull "$BASE_IMAGE"
         env:
           BASE_IMAGE: ${{ steps.get-base-image.outputs.tags }}
-
-  retag:
-    runs-on: ubuntu-latest
-    needs:
-      - verify
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          docker pull "$BASE_IMAGE"
 
       - name: Produce release tags
-        id: meta
+        id: tag-meta
         uses: docker/metadata-action@v5
         with:
           images: ghcr.io/${{ github.repository }}
@@ -67,11 +54,9 @@ jobs:
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{version}}
 
-      - name: Retag and push the image
-        uses: docker/build-push-action@v6
-        with:
-          cache-from: type=registry,ref=${{ needs.verify.outputs.base_image }}
-          labels: ${{ steps.meta.outputs.labels }}
-          platforms: linux/amd64,linux/arm64
-          push: true
-          tags: ${{ steps.meta.outputs.tags }}
+      - name: Retag the pulled image
+        env:
+          BASE_IMAGE: ${{ steps.get-base-image.outputs.tags }}
+        run: |
+          echo "$DOCKER_METADATA_OUTPUT_TAGS" | tr ' ' '\n' | xargs -n1 docker tag "$BASE_IMAGE"
+          docker push --all-tags "$(echo "$BASE_IMAGE" | cut -f1 -d:)"