name: Verify Docs

on:
  pull_request:
    paths:
      - 'docs/**'
      - 'zensical.toml'
      - '.github/workflows/verify-docs.yml'
  workflow_dispatch:

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

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build docs image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: docs/Dockerfile
          load: true
          tags: docs-verifier:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Verify rendering
        run: |
          docker run --rm \
            -v ${{ github.workspace }}:/docs \
            docs-verifier:latest build --strict