ci.yml

---
name: Pre-commit checks, build and test Docker image, upload PDFs to GitHub Pages

on:
  pull_request:
  push:
    branches: [main]
    tags: ['v*.*.*']
  workflow_dispatch:

env:
  IMAGE_TAG: ${{ vars.DOCKERHUB_USERNAME }}/${{ vars.DOCKERHUB_REPOSITORY }}:${{ github.ref_name }}
  IMAGE_TAG_TESTING: ${{ vars.DOCKERHUB_USERNAME }}/${{ vars.DOCKERHUB_REPOSITORY }}:testing
  OUTPUT_DIR: public
  OUTPUT_ARTIFACTS_NAME: pdf
  SOURCE_ARTIFACTS_NAME: source

jobs:
  pre_commit:
    name: Pre-commit checks
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - uses: pre-commit/action@v3.0.1
      - uses: pre-commit-ci/lite-action@v1.0.3
        if: always()

  source:
    name: Extract example source files
    needs: pre_commit
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Upload source files
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.SOURCE_ARTIFACTS_NAME }}
          path: |
            ./kadykov-*.md
            ./photo.jpg
            ./justfile
          if-no-files-found: error

  docker:
    name: Build and push testing Docker image
    needs: source
    runs-on: ubuntu-latest
    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ vars.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and export to Docker
        uses: docker/build-push-action@v6
        with:
          load: true
          tags: ${{ env.IMAGE_TAG_TESTING }}
          cache-from: type=registry,ref=${{ env.IMAGE_TAG }}
          cache-to: type=inline

      - name: Download source files
        uses: actions/download-artifact@v4
        with:
          name: ${{ env.SOURCE_ARTIFACTS_NAME }}

      - name: Render with testing Docker image
        run: >
          docker container run
          -v "${PWD}:/data"
          --user "$(id -u):$(id -g)"
          ${{ env.IMAGE_TAG_TESTING }}

      - name: Upload rendered PDFs
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.OUTPUT_ARTIFACTS_NAME }}
          path: ./*.pdf
          if-no-files-found: error

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ vars.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          push: true
          tags: ${{ env.IMAGE_TAG }}
          cache-from: type=registry,ref=${{ env.IMAGE_TAG }}
          cache-to: type=inline

  publish:
    name: Publish to GitHub pages
    needs: docker
    runs-on: ubuntu-latest
    permissions:
      contents: write
    concurrency:
      group: ${{ github.workflow }}-${{ github.ref }}
    steps:
      - uses: actions/checkout@v4

      - name: Download rendered PDFs
        uses: actions/download-artifact@v4
        with:
          name: ${{ env.OUTPUT_ARTIFACTS_NAME }}
          path: ${{ env.OUTPUT_DIR }}/

      - name: Add HTML for GitHub Pages
        run: cp ./*.html ${{ env.OUTPUT_DIR }}/

      - name: Deploy CV to GitHub pages
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./${{ env.OUTPUT_DIR }}