ci(build): 💚 Fix docker CI build

.github/workflows/docker-publish.yml

@@ -1,142 +1,77 @@
 name: Docker
 
+# 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:
   push:
     branches: ["main"]
+    # Publish semver tags as releases.
     tags: ["v*.*.*"]
   pull_request:
-    branches: ["*"]
+    branches: ["main"]
-  workflow_dispatch:
-    inputs:
-      tag:
-        description: "Tag"
-        required: false
-        default: "v0.0.0"
 
 env:
+  # Use docker.io for Docker Hub if empty
   REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
 
 jobs:
   build:
-    name: Build for ${{ matrix.platform }}
+    runs-on: ubuntu-latest
-    runs-on: ${{ matrix.os }}
-    environment:
-      name: Production
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: ubuntu-latest
-            platform: linux/arm64
-          - os: ubuntu-latest
-            platform: linux/amd64
     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: Prepare
-        run: |
-          platform=${{ matrix.platform }}
-          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
-          echo "IMAGE_NAME=${GITHUB_REPOSITORY@L}" >> $GITHUB_ENV
-
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Set up QEMU
+      - name: Setup QEMU
         uses: docker/setup-qemu-action@v3
+        with:
+          platforms: all
 
-      - name: Setup Docker buildx
+      # Set up BuildKit Docker container builder to be able to build
-        uses: docker/setup-buildx-action@v3
+      # multi-platform images and export cache
+      # https://github.com/docker/setup-buildx-action
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3 # v3.0.0
 
+      # 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@v3
+        uses: docker/login-action@v3 # 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@v5
+        uses: docker/metadata-action@v5 # v5.0.0
         with:
           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
+        id: build-and-push
-        uses: docker/build-push-action@v5
+        uses: docker/build-push-action@v5 # v5.0.0
         with:
           context: .
-          file: Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          platforms: linux/amd64,linux/arm64
           cache-from: type=gha
           cache-to: type=gha,mode=max
-          platforms: ${{ matrix.platform }}
-          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
-
-      - name: Export digest
-        run: |
-          mkdir -p /tmp/digests
-          digest="${{ steps.build.outputs.digest }}"
-          touch "/tmp/digests/${digest#sha256:}"
-      - name: Upload digest
-        uses: actions/upload-artifact@v4
-        with:
-          name: digests-${{ env.PLATFORM_PAIR }}
-          path: /tmp/digests/*
-          if-no-files-found: error
-          retention-days: 1
-
-  merge:
-    name: Merge digests
-    runs-on: ubuntu-latest
-    environment:
-      name: Production
-    needs:
-      - build
-
-    permissions:
-      contents: read
-      packages: write
-      id-token: write
-
-    steps:
-      - name: Prepare
-        run: |
-          echo "IMAGE_NAME=${GITHUB_REPOSITORY@L}" >> $GITHUB_ENV
-
-      - name: Download digests
-        uses: actions/download-artifact@v4
-        with:
-          path: /tmp/digests
-          pattern: digests-*
-          merge-multiple: true
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Create manifest list and push
-        working-directory: /tmp/digests
-        run: |
-          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
-            $(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)
-
-      - name: Inspect image
-        run: |
-          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}