name: Create and publish CI Docker image

on:
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}-ci

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Log in to the Container registry
        uses: docker/login-action@3da7dc6e2b31f99ef2cb9fb4c50fb0971e0d0139
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@37abcedcc1da61a57767b7588cb9d03eb57e28b3
        with:
          context: .github/workflows
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest