multi-arch docker

.github/workflows/docker.yaml

@@ -10,20 +10,24 @@ on:
 
 jobs:
   docker:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
+      - uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       - name: Login to DockerHub
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       - name: Build and push
         id: docker_build
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v5
         with:
           push: true
+          platforms: linux/amd64,linux/arm64
           tags: demostf/db:latest
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}