WIP: github: Do pushes with push-by-digest, do a separate create step

mstorsjo · Feb 27, 2024 · 0887587 · 0887587
1 parent bf17689
commit 0887587
Showing 1 changed file with 40 additions and 4 deletions.
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
@@ -66,6 +66,8 @@ jobs:
   docker-build:
     needs: [prepare]
     runs-on: ubuntu-latest
+    outputs:
+      digest: ${{steps.build.outputs.digest}}
     strategy:
       fail-fast: false
       matrix:
@@ -99,15 +101,49 @@ jobs:
           password: ${{secrets.DOCKER_PASSWORD}}
       - name: Build Docker images
         uses: docker/build-push-action@v5
+        id: build
         with:
           context: .
           platforms: ${{matrix.platforms}}
           push: false
           file: ./${{matrix.file}}
-          load: true
-          tags: |
-            mstorsjo/llvm-mingw:test
-            mstorsjo/llvm-mingw:test-${{needs.prepare.outputs.TAG}}
+          outputs: |
+            type=image,name=mstorsjo/llvm-mingw,push-by-digest=true,name-canonical=true
       - name: Inspect Docker images
         run: |
           docker images
+      - name: Write outputs for later steps
+        uses: cloudposse/github-action-matrix-outputs-write@main
+        id: out
+        with:
+          matrix-step-name: ${{github.job}}
+          matrix-key: ${{matrix.file}}
+          outputs: |-
+            digest: ${{steps.build.outputs.digest}}
+
+  docker-create:
+    needs: [docker-build, prepare]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: cloudposse/github-action-matrix-outputs-read@main
+        id: read
+        with:
+          matrix-step-name: docker-build
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Log in to Docker Hub
+        if: false
+        uses: docker/login-action@v3
+        with:
+          username: ${{secrets.DOCKER_USERNAME}}
+          password: ${{secrets.DOCKER_PASSWORD}}
+      - name: Create final image
+        env:
+          digest: ${{fromJson(steps.read.outputs.result).digest}}
+        run: |
+          echo digest ${{needs.docker-build.outputs.digest}}
+          echo digest2 $digest
+          echo result ${{fromJson(steps.read.outputs.result).digest}}
+          for tag in test test-${{needs.prepare.outputs.TAG}}; do
+              docker buildx imagetools create --dry-run -t mstorsjo/llvm-mingw:$tag mstorsjo/llvm-mingw@${{needs.docker-build.outputs.digest}}
+          done