build_push_docker.yml_

name: Create and publish a Docker image
on: workflow_dispatch
jobs:
  build-and-push-image:
    runs-on: self-hosted
    steps:
      - uses: actions/checkout@v2
      - name: Log in to GitHub Docker Registry
        uses: docker/login-action
        with:
          registry: docker.pkg.github.com
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push Docker image
        uses: docker/build-push-action
        with:
          push: true
          tags: |
            docker.pkg.github.com/${{ github.repository }}/octo-image:${{ github.sha }