name: Docker Publish

on:
  push:
    branches: [ master ]

jobs:
  docker-publish:
    name: Docker Publish
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

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

    - name: Build
      run: |-
        docker build \
          --tag "ghcr.io/gitea-group-sync/gitea-group-sync:master" \
          .

    - name: Publish
      run: |-
        docker push "ghcr.io/gitea-group-sync/gitea-group-sync:master"