containers.yaml

name: build and push container to registry
on:
  workflow_dispatch:
    inputs:
      image_name:
        type: string
        description: the package to use for `nix build`
      repository_name:
        type: string
        description: the container registry name
  workflow_call:
    inputs:
      image_name:
        type: string
        description: the package to use for `nix build`
      repository_name:
        type: string
        description: the container registry name

jobs:
  publish-container:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v3

      - name: Install nix
        uses: DeterminateSystems/nix-installer-action@v2
        with:
          logger: pretty
          log-directives: nix_installer=trace
          backtrace: full
          github-token: ${{ secrets.GITHUB_TOKEN }}

          extra-conf: |
            extra-substituters = https://cache.garnix.io
            extra-trusted-public-keys = cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g=
            system-features = kvm

      - name: build image
        env:
          PACKAGE_NAME: ${{ inputs.image_name }}
        run: nix build .#${PACKAGE_NAME}

      - name: login to registry
        env:
          USERNAME: ${{ github.actor }}
          PASSWORD: ${{ secrets.GITHUB_TOKEN }}
        run: echo ${PASSWORD} | nix develop -c skopeo login ghcr.io -u ${USERNAME} --password-stdin

      - name: push to registry
        env:
          REPO_OWNER: justinrubek
          REPO_NAME: ${{ inputs.repository_name }}
          VERSION: ${{ github.sha }}
          PACKAGE_NAME: ${{ inputs.image_name }}
        run: nix run .#${PACKAGE_NAME}.copyTo docker://ghcr.io/${REPO_OWNER}/${REPO_NAME}:${VERSION}