name: Build and Push Docker Image

on:
  push:
    branches: [main]
  schedule:
    - cron: '0 0 3 * *' # Monthly on the third day, at midnight UTC.
  workflow_dispatch:

jobs:
  build:
    runs-on: kube
    if: github.ref == 'refs/heads/main'
    env:
      DOCKER_BUILD_RECORD_UPLOAD: 'false'
      DOCKER_BUILD_SUMMARY: 'false'
    steps:
      - name: Checkout code
        uses: https://github.com/actions/checkout@v4
        with:
          persist-credentials: false

      - name: Install Docker CLI
        run: |
          apt-get update
          apt-get install -y --no-install-recommends docker.io
          rm -rf /var/lib/apt/lists/*

      - name: Log in to Docker Hub
        uses: https://github.com/docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Set up temporary builder
        uses: https://github.com/docker/setup-buildx-action@v3
        with:
          driver: docker-container
          cache-binary: false
          keep-state: false
          cleanup: true

      - name: Build and push to Docker Hub
        uses: https://github.com/docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64
          pull: true
          push: true
          load: false
          tags: docker.io/k2patel/rtorrent:latest
          labels: |
            org.opencontainers.image.source=https://git.k2patel.in/k2patel/docker-rtorrent
            org.opencontainers.image.revision=${{ github.sha }}