Add build for arm (#5)

.github/workflows/docker-image.yml

@@ -12,15 +12,23 @@ jobs:
 
   build:
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Build the Docker image
-      run: make build
-    - uses: docker/login-action@v1
-      with:
-        username: ${{ secrets.DOCKER_HUB_USERNAME }}
-        password: ${{ secrets.DOCKER_HUB_TOKEN }}
-    - name: Push the Docker image
-      run: make push
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        # Add support for more platforms with QEMU (optional)
+        # https://github.com/docker/setup-qemu-action
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+      - name: Build and Push the Docker image
+        run: make buildx

Makefile

@@ -4,4 +4,7 @@ build:
 	docker build -t ${IMAGE} .
 
 push:
-	docker push ${IMAGE}
+	docker push ${IMAGE}
+
+buildx:
+	docker buildx build --platform linux/amd64,linux/arm64 --tag ${IMAGE} --push .