name: Build Notes Site

on:
  push:
    branches: [ main ]

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

      - name: Install docker CLI
        run: |
          apt-get update
          apt-get install -y docker.io
          docker version || true

      - name: Build docker image
        run: |
          docker build -t mkdocs-builder -f ci/mkdocs/Dockerfile ci/mkdocs

      - name: Build MKDocs output into shared volume
        run: |
          docker run --rm \
            -v "$PWD:/work" -w /work \
            -v notes_public:/public \
            mkdocs-builder \
            mkdocs build --clean --site-dir /public