Use multiple runners

Signed-off-by: Christian König <ckoenig@posteo.de>
yubiuser · Sep 10, 2023 · 041fb2b · 041fb2b
1 parent 22c0094
commit 041fb2b
Showing 1 changed file with 77 additions and 16 deletions.
diff --git a/.github/workflows/ghcr.yml b/.github/workflows/ghcr.yml
@@ -6,9 +6,20 @@ on:
     types: [published]
   pull_request:
 
+env:
+  REGISTRY_IMAGE: ghcr.io/${{ github.repository_owner }}/${{ github.repository }}
+
 jobs:
-  build-and-push:
+  build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm/v6
+          - linux/arm/v7
+          - linux/arm64
+          - linux/386
     permissions:
       contents: read
       packages: write
@@ -27,17 +38,15 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: |
-            ghcr.io/${{ github.repository_owner }}/${{ github.repository }}
-          flavor: latest=${{ startsWith(github.ref, 'refs/tags/') }}
-          tags: |
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=semver,pattern={{major}}
-            type=sha, enable=${{ !startsWith(github.ref, 'refs/tags/') }}
-            type=edge
-
+              ${{ env.REGISTRY_IMAGE }}
+            flavor: latest=${{ startsWith(github.ref, 'refs/tags/') }}
+            tags: |
+              type=semver,pattern={{version}}
+              type=semver,pattern={{major}}.{{minor}}
+              type=semver,pattern={{major}}
+              type=sha, enable=${{ !startsWith(github.ref, 'refs/tags/') }}
+              type=edge
       - name: Login to GitHub Container Registry
-        if: github.event_name != 'pull_request'
         uses: docker/login-action@v2.2.0
         with:
           registry: ghcr.io
@@ -49,10 +58,62 @@ jobs:
         with:
           context: .
           file: ./Dockerfile
-          platforms: linux/amd64, linux/arm64, linux/386, linux/arm/v7, linux/arm/v6
-          push: ${{ github.event_name != 'pull_request' }}
-          cache-from: type=gha
-          cache-to: type=gha
+          platforms: ${{ matrix.platform }}
           provenance: false
-          tags: ${{ steps.meta.outputs.tags }}
+          push: ${{ github.event_name != 'pull_request' }}
           labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.DOCKER_REGISTRY_IMAGE }},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@v3
+        with:
+          name: digests
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+      runs-on: ubuntu-latest
+      needs:
+        - build
+      steps:
+        - name: Download digests
+          uses: actions/download-artifact@v3
+          with:
+            name: digests
+            path: /tmp/digests
+        - name: Set up Docker Buildx
+          uses: docker/setup-buildx-action@v2.10.0
+        - name: Docker meta
+          id: meta
+          uses: docker/metadata-action@v4
+          with:
+            images: |
+              ${{ env.REGISTRY_IMAGE }}
+            flavor: latest=${{ startsWith(github.ref, 'refs/tags/') }}
+            tags: |
+              type=semver,pattern={{version}}
+              type=semver,pattern={{major}}.{{minor}}
+              type=semver,pattern={{major}}
+              type=sha, enable=${{ !startsWith(github.ref, 'refs/tags/') }}
+              type=edge
+        - name: Login to GitHub Container Registry
+          if: github.event_name != 'pull_request'
+          uses: docker/login-action@v2.2.0
+          with:
+            registry: ghcr.io
+            username: ${{ github.repository_owner }}
+            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_IMAGE }}@sha256:%s ' *)
+        - name: Inspect image
+          run: |
+            docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
+