name: Publish Docker image
on:
  push:
    branches:
      - master

jobs:
  publish-docker-image:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push Docker image to the GHCR
        run: |
          docker build . --tag ghcr.io/gbdev/rgbds:master
          docker push ghcr.io/gbdev/rgbds:master