name: build and publish container image
on:
  create:
    tags:
      - v*

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:       
      - name: Check out the repo
        uses: actions/checkout@v2


      - name: Log in to GitHub Docker Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build container image
        uses: docker/build-push-action@v2
        with:
          push: true
          file: ./docker/Dockerfile
          tags: ghcr.io/${{ github.repository }}/osrm-backend:${{ env.GITHUB_REF }}