name: Build site container

on:
  push:
    branches: [main]
    paths:
      - "site/**"
      - ".github/workflows/build-container.yml"
  pull_request:
    paths:
      - "site/**"
      - ".github/workflows/build-container.yml"
  workflow_dispatch:

permissions:
  contents: read

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Build container
        run: docker build --tag kr0sh512-site:ci ./site

      - name: Validate nginx configuration
        run: docker run --rm kr0sh512-site:ci nginx -t