feat: multiarch image (#31)

.github/workflows/release.yml

@@ -9,22 +9,20 @@ jobs:
     name: Build docker image
     runs-on: ubuntu-20.04
     steps:
-      - name: Check out code
-        uses: actions/checkout@v3
+      - uses: actions/checkout@v3
 
-      - uses: gacts/github-slug@v1
-        id: slug
+      - {uses: gacts/github-slug@v1, id: slug}
+
+      - uses: docker/setup-qemu-action@v2
 
       - uses: docker/setup-buildx-action@v2
 
-      - name: Login to default Container Registry
-        uses: docker/login-action@v2 # Action page: <https://github.com/docker/login-action>
+      - uses: docker/login-action@v2 # Action page: <https://github.com/docker/login-action>
         with:
           username: ${{ secrets.DOCKER_LOGIN }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2 # Action page: <https://github.com/docker/login-action>
+      - uses: docker/login-action@v2 # Action page: <https://github.com/docker/login-action>
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -33,8 +31,8 @@ jobs:
       - uses: docker/build-push-action@v3 # Action page: <https://github.com/docker/build-push-action>
         with:
           context: .
-          file: Dockerfile
           push: true
+          platforms: linux/amd64,linux/arm64,linux/ppc64le
           tags: |
             tarampampam/3proxy:${{ steps.slug.outputs.version-semantic }}
             tarampampam/3proxy:latest