CI: build & publish arm64 binaries 💚

v5 equivalent: 76c5885

.github/workflows/docker-image.yml

@@ -26,6 +26,8 @@ jobs:
     steps:
       - name: check out the repo
         uses: actions/checkout@v3
+      - name: set up QEMU
+        uses: docker/setup-qemu-action@v3
       - name: configure Docker to use buildx
         uses: docker/setup-buildx-action@v2
       - name: log in to Docker Hub
@@ -38,6 +40,7 @@ jobs:
         with:
           context: .
           push: true
+          platforms: linux/amd64,linux/arm64
           tags: |
             derhuerst/db-rest:6
             derhuerst/db-rest:latest
@@ -63,6 +66,7 @@ jobs:
         with:
           context: .
           push: true
+          platforms: linux/amd64,linux/arm64
           tags: ghcr.io/${{github.repository}}:v6_${{steps.hash.outputs.hash}}_${{steps.datetime.outputs.datetime}}
           # https://docs.docker.com/build/ci/github-actions/examples/#github-cache
           cache-from: type=gha