Update docker-publish.yml

Author: plaskowski

.github/workflows/docker-publish.yml

@@ -6,14 +6,7 @@ name: Docker
 # documentation.
 
 on:
-#  schedule:
-#    - cron: "27 0 * * *"
-  push:
-    branches: ["main", "next"]
-    # Publish semver tags as releases.
-    tags: ["v*.*.*"]
-  pull_request:
-    branches: ["main", "next"]
+  workflow_run:
 
 env:
   # Use docker.io for Docker Hub if empty
@@ -35,14 +28,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      # Install the cosign tool except on PR
-      # https://github.com/sigstore/cosign-installer
-      - name: Install cosign
-        if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 #v3.5.0
-        with:
-          cosign-release: "v2.2.4"
-
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action
@@ -52,71 +37,23 @@ jobs:
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
-        if: github.event_name != 'pull_request'
         uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      # Extract metadata (tags, labels) for Docker
-      # https://github.com/docker/metadata-action
-      - name: Extract Docker metadata
-        id: meta
-        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=schedule
-            type=ref,event=branch
-            type=ref,event=tag
-            type=ref,event=pr
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=semver,pattern={{major}}
-            type=sha
-            type=edge
-            # Custom rule to prevent pre-releases from getting latest tag
-            type=raw,value=latest,enable=${{ github.ref_type == 'tag' && startsWith(github.ref, 'refs/tags/v') && !contains(github.ref, '-') }}
-
-      - name: Go Build Cache for Docker
-        uses: actions/cache@v4
-        with:
-          path: go-build-cache
-          key: ${{ runner.os }}-go-build-cache-${{ hashFiles('**/go.sum') }}
-
-      - name: Inject go-build-cache
-        uses: reproducible-containers/buildkit-cache-dance@4b2444fec0c0fb9dbf175a96c094720a692ef810 # v2.1.4
-        with:
-          cache-source: go-build-cache
-
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09 # v5.0.0
         with:
           context: .
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          tags: latest
           cache-from: type=gha
           cache-to: type=gha,mode=max
           platforms: linux/amd64,linux/arm64
           build-args: |
             VERSION=${{ github.ref_name }}
 
-      # Sign the resulting Docker image digest except on PRs.
-      # This will only write to the public Rekor transparency log when the Docker
-      # repository is public to avoid leaking data.  If you would like to publish
-      # transparency data even for private images, pass --force to cosign below.
-      # https://github.com/sigstore/cosign
-      - name: Sign the published Docker image
-        if: ${{ github.event_name != 'pull_request' }}
-        env:
-          # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#using-an-intermediate-environment-variable
-          TAGS: ${{ steps.meta.outputs.tags }}
-          DIGEST: ${{ steps.build-and-push.outputs.digest }}
-        # This step uses the identity token to provision an ephemeral certificate
-        # against the sigstore community Fulcio instance.
-        run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}