name: Nix Docker Push Test
on: [push]

permissions:
  contents: read
  packages: write

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install Nix
        uses: cachix/install-nix-action@v31
        with:
          extra_nix_config: |
            experimental-features = nix-command flakes

      - name: Build Docker Image with Nix
        run: |
          nix build .#dockerImage
          cp result hello-image.tar.gz

      - name: Load image to Local Docker
        run: docker load < hello-image.tar.gz

      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: git.zhukovsky.me
          username: ${{ gitea.actor }}
          password: ${{ secrets.GITEA_TOKEN }}

      - name: Tag and Push
        run: |
          REGISTRY_IMAGE="git.zhukovsky.me/$(echo ${{ gitea.repository }}"
          
          docker tag test-nix-hello:latest $REGISTRY_IMAGE:latest
          docker push $REGISTRY_IMAGE:latest