simplify build

.github/workflows/docker-publish.yml

@@ -6,8 +6,6 @@ on:
   workflow_dispatch:
   push:
     branches: [ "main" ]
-    # Publish semver tags as releases.
-    tags: [ 'v*.*.*' ]
     paths-ignore:
     - ".github/**"
     - "README.md"
@@ -15,7 +13,6 @@ on:
     branches: [ "main" ]
 
 env:
-  # Use docker.io for Docker Hub if empty
   REGISTRY: ghcr.io
   # github.repository as <account>/<repo>
   IMAGE_NAME: ${{ github.repository }}
@@ -26,19 +23,16 @@ jobs:
     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 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@v3.5.0 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
+        
       - name: Setup Docker buildx
         uses: docker/setup-buildx-action@v3
+        
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
@@ -46,13 +40,14 @@ jobs:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+          
       - name: Extract metadata
         id: meta
         uses: docker/metadata-action@v4
         with:
           flavor: latest=true
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: type=sha,format=long
+          
       - name: Build and push Docker image
         id: build-and-push
         uses: docker/build-push-action@v5
@@ -62,27 +57,5 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-      # Sign the resulting Docker image digest except on PRs. https://github.com/sigstore/cosign
+          cache-from: type=gha
-      - name: Sign image with a key
+          cache-to: type=gha,mode=max
-        if: ${{ github.event_name != 'pull_request' }}
-        run: |
-          images=""
-          for tag in ${TAGS}; do
-            images+="${tag}@${DIGEST} "
-          done
-          cosign sign --yes --key env://COSIGN_PRIVATE_KEY ${images}
-        env:
-          TAGS: ${{ steps.meta.outputs.tags }}
-          COSIGN_PRIVATE_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
-          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
-          DIGEST: ${{ steps.build-and-push.outputs.digest }}
-      - name: Sign the images with GitHub OIDC Token
-        env:
-          DIGEST: ${{ steps.build-and-push.outputs.digest }}
-          TAGS: ${{ steps.meta.outputs.tags }}
-        run: |
-          images=""
-          for tag in ${TAGS}; do
-            images+="${tag}@${DIGEST} "
-          done
-          cosign sign --yes ${images}