publish.yaml

name: Fly Deploy
on:
  push:
    branches:
      - main

permissions:
  packages: write

jobs:
  deploy:
    name: Deploy app
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install nix
        uses: DeterminateSystems/nix-installer-action@v14

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build container
        run: |
          nix build -L .#jnsgruk-container

      - name: Upload container to ghcr.io
        run: |
          docker load < result
          docker tag "jnsgruk/jnsgr.uk:$(git rev-parse --short HEAD)" "ghcr.io/jnsgruk/jnsgr.uk:$(git rev-parse --short HEAD)"
          docker push "ghcr.io/jnsgruk/jnsgr.uk:$(git rev-parse --short HEAD)"

      - name: Deploy site
        run: |
          nix run nixpkgs#flyctl -- deploy -i "ghcr.io/jnsgruk/jnsgr.uk:$(git rev-parse --short HEAD)"
        env:
          FLY_ACCESS_TOKEN: ${{ secrets.FLY_API_TOKEN }}