name: Build, Push, and Deploy

on:
  push:
    branches:
      - main

env:
  REGISTRY: src.thehellings.com
  IMAGE: src.thehellings.com/greg/homepage:latest

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

      - name: Build site image
        run: |
          nix --extra-experimental-features nix-command --extra-experimental-features flakes build .
          cp -L result result.tar.gz

      - name: Upload image artifact
        uses: actions/upload-artifact@v3
        with:
          name: image
          path: result.tar.gz
          retention-days: 7

  push:
    runs-on: bare-metal
    needs: build
    steps:
      - name: Download image artifact
        uses: actions/download-artifact@v3
        with:
          name: image

      - name: Log in to Gitea container registry
        run: podman login -u ${{ secrets.REGISTRY_USER }} -p ${{ secrets.REGISTRY_PASSWORD }} ${{ env.REGISTRY }}

      - name: Push image
        run: |
          podman load -i result.tar.gz
          podman tag "localhost/gregs-homepage:latest" ${{ env.IMAGE }}
          podman push ${{ env.IMAGE }}

  deploy:
    runs-on: blog
    needs: push
    steps:
      - name: Pull image and restart service
        run: |
          sudo podman pull ${{ env.IMAGE }}
          sudo systemctl restart podman-homepage