build.yml

name: CI
on:
  release:
    types: [released, prereleased]
  workflow_dispatch: # allow manually running from the Actions tab

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - image: baseimage
            platform: linux/amd64,linux/arm64
          - image: alpine
            platform: linux/amd64
    steps:
      - uses: actions/checkout@v2
      - uses: docker/setup-qemu-action@v1
      - uses: docker/setup-buildx-action@v1
      - uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_PASSWORD }}
      - run: bash build.sh --publish -i ${{matrix.image}} -p ${{matrix.platform}}