Support some more architectures in docker image

.github/workflows/deploy-docker-image-on-release.yml

@@ -24,10 +24,16 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
 
       - name: Log in to the Container registry
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        uses: docker/login-action@v2
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -40,9 +46,10 @@ jobs:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        uses: docker/build-push-action@v3
         with:
           context: .
+          platforms: linux/amd64,linux/arm64,linux/arm/v6,linux/arm/v7
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9-alpine
+FROM python:3.9-slim
 
 WORKDIR /mystrom
 
@@ -8,4 +8,4 @@ RUN pip install --no-cache-dir --upgrade pip && \
     pip install --no-cache-dir -r requirements.txt
 
 COPY . .
-CMD ["python", "-m", "main"]
+CMD ["python", "-m", "main"]