name: Docker Image CI

on:
  push:
    branches: [ master ]

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      # Checkout the Repo
      - uses: actions/checkout@v3

      # Install Node 16
      - name: Setup Node
        uses: actions/setup-node@v3.5.1
        with:
          node-version: 16
          
      # Avoid running prepublish script
      - run: npm set-script prepublish ""
      
      # Install dependencies
      - run: npm install

      # Run tests
      - run: npm test

  build:
    if: startsWith(github.event.ref, 'refs/tags')
    needs: test
    runs-on: ubuntu-latest

    steps:
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      -
        name: Login to DockerHub
        uses: docker/login-action@v2 
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v4
        with:
          push: true
          tags: wolvan/poll.horse:latest