Update docker.yml

.github/workflows/docker.yml

@@ -1,57 +1,94 @@
-# This workflow builds and pushes the docker image using docker's v2 action
-# which requires explicitly setting up buildx and logging in
-
-name: Build and publish container to Docker Hub
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
 
 on:
+#  schedule:
+#    - cron: '40 17 * * *'
   push:
-    tags: ['v[0-9]*', '[0-9]+.[0-9]+*']  # Match tags that resemble a version
+    branches: [ "main" ]
+    # Publish semver tags as releases.
+    tags: [ 'v*.*.*' ]
   workflow_dispatch:
 
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+
 jobs:
   build:
+
     runs-on: ubuntu-latest
-    env:
-      DOCKER_REPO: ${{ secrets.DOCKER_REPO }}  # Example: sagebionetworks/vcf2maf
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
+
     steps:
-      -
-        name: Checkout
+      - name: Checkout repository
         uses: actions/checkout@v3
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
-      -
-        name: Set up Docker Buildx
+
+      # 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@v3
+        with:
+          cosign-release: 'v2.1.1'
+
+      # Workaround: https://github.com/docker/build-push-action/issues/461
+      - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v2
-      -
-        name: Login to DockerHub
-        uses: docker/login-action@v2
+
+      # 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@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-      -
-        name: Compute short commit SHA ID
-        id: vars
-        run: echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"
-      -
-        name: Build and push (tagged release)
-        uses: docker/build-push-action@v3
-        if: ${{ github.event_name == 'push' }}
+          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@v2
         with:
-          platforms: linux/amd64
-          context: .
-          push: true
-          tags: |
-            ${{ env.DOCKER_REPO }}:latest
-            ${{ env.DOCKER_REPO }}:${{ github.ref_name }}
-            ${{ env.DOCKER_REPO }}:commit-${{ steps.vars.outputs.sha_short }}
-      -
-        name: Build and push (manual release)
-        uses: docker/build-push-action@v3
-        if: ${{ github.event_name == 'workflow_dispatch' }}
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      # 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@v4
         with:
-          platforms: linux/amd64
           context: .
-          push: true
-          tags: |
-            ${{ env.DOCKER_REPO }}:commit-${{ steps.vars.outputs.sha_short }}
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+
+      # 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}