name: 打包最新版为 Docker Image 

on: [push]
jobs:
  docker-builder:
    name: build docker
    runs-on: ubuntu-23.04
    steps:
      - name: Check out code into the Go module directory
        uses: actions/checkout@master
      - run: sudo apt-get install -y qemu-user-static

      - name: Set up nix
        uses: cachix/install-nix-action@v27
        with:
          nix_path: nixpkgs=channel:nixos-unstable
          extra_nix_config: |
            sandbox = true

      - name: Speed Up nix
        uses: DeterminateSystems/magic-nix-cache-action@main

      - name: build docker
        run: |
          mkdir output/
          
          # https://discourse.nixos.org/t/nix-github-actions-aarch64/11034
          nix build .#packages.aarch64-linux.docker_builder -o aarch64-linux.docker --print-out-paths --option system aarch64-linux --extra-platforms aarch64-linux
          cp $(readlink aarch64-linux.docker) ./output/aarch64-linux.docker.tar.gz

          nix build .#packages.x86_64-linux.docker_builder -o x86_64-linux.docker --print-out-paths --option system x86_64-linux --extra-platforms x86_64-linux
          cp $(readlink x86_64-linux.docker) ./output/x86_64-linux.docker.tar.gz

          # gomod2nix did not provide this
          # nix build .#packages.i686-linux.docker_builder -o i686-linux.docker --print-out-paths --option system i686-linux --extra-platforms i686-linux
          # cp $(readlink i686-linux.docker) ./output/i686-linux.docker.tar.gz

      - name: Upload artifact
        uses: actions/upload-artifact@master
        if: ${{ !github.head_ref }}
        with:
          path: output/