nix-build.yaml

name: nix build

on:
  push:

jobs:
  nix-build:
    name: nix build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target:
          - x86_64-linux
          - aarch64-linux
    steps:
      - name: Checkout 🛎️
        uses: actions/checkout@v4

      - name: Install Nix ❄
        uses: cachix/install-nix-action@v30
        with:
          github_access_token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up the Nix Cache 🔌
        uses: cachix/cachix-action@v15
        with:
          name: hasura-v3-dev
          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
          useDaemon: false # attempt to stop hanging on cleanup

      - name: Build a binary with Nix
        run: nix build --print-build-logs '.#${{ matrix.target }}'

      - name: Build a Docker image with Nix
        run: nix build --print-build-logs '.#docker-${{ matrix.target }}'

      # scream into Slack if something goes wrong
      - name: Report Status
        if: always() && github.ref == 'refs/heads/main'
        uses: ravsamhq/notify-slack-action@v2
        with:
          status: ${{ job.status }}
          notify_when: failure
          notification_title: "😧 Error on <{repo_url}|{repo}>"
          message_format: "🐴 *{workflow}* {status_message} for <{repo_url}|{repo}>"
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.BROKEN_BUILD_SLACK_WEBHOOK_URL }}