ci-cd.yml

name: CI-CD

on:
  push:
    branches:
      - main
      - next
      - 'v*'
    paths-ignore:
      - '.github/**'
      - '.vscode/**'
  # pull-request means to deploy preview
  pull_request_target:
  # workflow_dispatch means to manual deploy production
  workflow_dispatch:
  # workflow_call means to deploy production from external workflow
  # it would be useful to trigger from fastify main repo instead of
  # daily schedule
  workflow_call:

jobs:
  setup:
    runs-on: ubuntu-latest
    steps:
      - name: Select environment
        id: env-selector
        run: |
          echo "current_env=${{ github.event_name == 'pull_request_target' && 'staging' || 'production' }}" >> $GITHUB_OUTPUT
          echo "website_url=${{ github.event_name == 'pull_request_target' && '/' || '/' }}" >> $GITHUB_OUTPUT
      - name: Get latest Fastify tag
        id: latest-fastify
        uses: oprypin/find-latest-tag@v1
        with:
          repository: fastify/fastify
          releases-only: true
    outputs:
      website_url: ${{ steps.env-selector.outputs.website_url }}
      current_env: ${{ steps.env-selector.outputs.current_env }}
      latest_fastify: ${{ steps.latest-fastify.outputs.tag }}

  build-and-upload:
    needs: setup
    runs-on: ubuntu-latest
    permissions:
      contents: read
    env:
      BASE_URL: ${{ needs.setup.outputs.website_url }}
    steps:
      # we set the correct repository and reference sha for PR preview
      - name: Checkout PR
        if: ${{ github.event_name == 'pull_request_target' }}
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}

      # we set the correct reference sha for production
      - name: Checkout
        if: ${{ github.event_name != 'pull_request_target' }}
        uses: actions/checkout@v4
        with:
          ref: main

      - name: Use Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 18
          cache: npm
          node-version-file: '.nvmrc'

      - name: Install Packages
        run: npm ci

      - name: Run Linting
        run: npm run lint

      - name: Setup Pages
        uses: actions/configure-pages@v4

      - name: Get latest Fastify tag
        id: latest-fastify
        uses: oprypin/find-latest-tag@v1
        with:
          repository: fastify/fastify
          releases-only: true
      - run: echo "Fastify is at version ${{ steps.latest-fastify.outputs.tag }}"

      - name: Cache Fastify documentation
        id: release-cache
        uses: actions/cache@v4
        with:
          path: |
            scripts/releases
            scripts/releases.tag
          key: ${{ steps.latest-fastify.outputs.tag }}-release-cache

      # build website
      - name: Build website
        run: npm run build:website
        env:
          GH_TOKEN: ${{ github.token }}
          SKIP_DOWNLOADS: ${{ steps.release-cache.outputs.cache-hit }}

      - name: Upload artifact

        uses: actions/upload-pages-artifact@v3
        with:
          path: './build'

  deploy-to-production:
    if: ${{ needs.setup.outputs.current_env == 'production' }}
    needs:
      - setup
      - build-and-upload
    concurrency:
      group: ${{ github.ref_name }}-production
      cancel-in-progress: true
    env:
      BASE_URL: ''
    permissions:
      pages: write
      id-token: write
    environment:
      name: ${{ needs.setup.outputs.current_env }}
      url: ${{ steps.deployment.outputs.page_url }}
    outputs:
      deployment_url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4
        # with:
        # enable preview when PR
        # preview: ${{ github.event_name == 'pull_request_target' }}

  deploy-to-staging:
    if: ${{ needs.setup.outputs.current_env == 'staging' }}
    needs:
      - setup
      - build-and-upload
    concurrency:
      group: ${{ github.ref_name }}-staging
      cancel-in-progress: true
    env:
      BASE_URL: ''
    permissions:
      pull-requests: write
      contents: write
    environment:
      name: ${{ needs.setup.outputs.current_env }}
      url: ${{ steps.deployment.outputs.NETLIFY_URL }}
    outputs:
      deployment_url: ${{ steps.deployment.outputs.NETLIFY_URL }}
    runs-on: ubuntu-latest
    steps:
      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          name: github-pages
          path: website

      - name: Extract artifact
        run: tar -xvf artifact.tar
        working-directory: website
        shell: 'bash'

      - name: Clean up before deploy
        run: rm artifact.tar
        working-directory: website
        shell: 'bash'

      - name: Display structure of downloaded files
        run: ls -R
      - name: Deploy to Netlify
        uses: netlify/actions/cli@master
        id: deployment
        with:
          # https://cli.netlify.com/commands/deploy/
          args: deploy --json --dir="./website" --message="Deploy from branch ${{ github.ref }}"
        env:
          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}