name: Build release Docker images

on:
  push:
    tags:
      - "*"

jobs:
  publish_to_docker_hub:
    runs-on: ubuntu-latest
    steps:
      - name: Set swap space
        uses: pierotofy/set-swap-space@master
        with:
          swap-size-gb: 5

      - name: Checkout code
        uses: actions/checkout@v2
      
      - name: Prepare tags
        id: prep
        run: |
          DOCKER_IMAGE=milesmcc/shynet
          VERSION=${GITHUB_REF#refs/tags/}
          TAGS="${DOCKER_IMAGE}:${VERSION},${DOCKER_IMAGE}:latest"
          echo ::set-output name=tags::${TAGS}
          
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
        
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
        
      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      - name: Build and push advanced image
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.prep.outputs.tags }}