nextjs.yml

name: Deploy metro-station-finder

on:
  push:
    branches: ['master']
    paths-ignore:
      - 'readme.md' # Ignore changes to readme.md
  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: 'pages'
  cancel-in-progress: false

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

      # Detect the package manager (npm or yarn)
      - name: Detect package manager
        id: detect-package-manager
        run: |
          if [ -f "${{ github.workspace }}/yarn.lock" ]; then
            echo "manager=yarn" >> $GITHUB_OUTPUT
            echo "command=install" >> $GITHUB_OUTPUT
            echo "runner=yarn" >> $GITHUB_OUTPUT
            exit 0
          elif [ -f "${{ github.workspace }}/package.json" ]; then
            echo "manager=npm" >> $GITHUB_OUTPUT
            echo "command=ci" >> $GITHUB_OUTPUT
            echo "runner=npx --no-install" >> $GITHUB_OUTPUT
            exit 0
          else
            echo "Unable to determine package manager"
            exit 1
          fi

      # Set up Node.js with the specified version
      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: '20.11.0'
          cache: ${{ steps.detect-package-manager.outputs.manager }}

      # Configure GitHub Pages for Next.js
      - name: Setup Pages
        uses: actions/configure-pages@v4
        with:
          static_site_generator: next

      # Restore cache for Next.js
      - name: Restore cache
        uses: actions/cache@v3
        with:
          path: |
            .next/cache
          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
          restore-keys: |
            ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-

      # Install project dependencies
      - name: Install dependencies
        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}

      # Set the Google Maps API Key as an environment variable
      - name: Set Google Maps API Key
        run: echo "NEXT_PUBLIC_GOOGLE_MAPS_API_KEY=${{ secrets.GOOGLE_MAPS_API_KEY }}" >> $GITHUB_ENV

      # Build the Next.js application
      - name: Build with Next.js
        run: ${{ steps.detect-package-manager.outputs.runner }} next build

      # Upload the build artifact
      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: ./out

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4