Publish docker image using GitHub Actions

main ylm

name: Publish and deploy Docker image
on: [push]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - name: Build the Docker image
        run: docker build . --file Dockerfile --tag docker.pkg.github.com/OWNER/REPO/IMAGE:latest
      - name: Publish image
        run: |
          # ${{ secrets.DOCKER_PASSWORD }} and ${{ secrets.DOCKER_USERNAME }} are secrets defined in the repository.
          # ${{ secrets.DOCKER_USERNAME }} is my GitHub Username.
          # ${{ secrets.DOCKER_PASSWORD }} is an auth token.
          echo ${{ secrets.DOCKER_PASSWORD }} | docker login -u ${{ secrets.DOCKER_USERNAME }} --password-stdin docker.pkg.github.com
          docker push docker.pkg.github.com/OWNER/REPO/IMAGE:latest