build-and-deploy.yml

name: Build and Deploy to GCP

on:
  push:
    branches: [ deploy-prod, deploy-staging, deploy-dev ]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Cache node modules
        uses: actions/cache@v4
        with:
          path: node_modules
          key: ${{ runner.OS }}-build-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.OS }}-build-
            ${{ runner.OS }}-

      - name: Use Node.js
        uses: actions/setup-node@v2
        with:
          node-version: 20

      - name: Install dependencies
        run: yarn install

      - name: Build
        run: yarn build

      # Somewhat weirdly you do the auth before the setup for the google CLI

      - name: Authenticate the cloud sdk
        uses: google-github-actions/auth@v2
        with:
          credentials_json: ${{ secrets.GCP_SA_KEY }}
          export_environment_variables: true

      - name: Setup cloud sdk
        uses: google-github-actions/setup-gcloud@v2
        with:
          project_id: ${{ secrets.GCP_PROJECT_ID }}

      - name: Deploy to GCS
        run: |
          BUCKET_NAME="$(echo ${BRANCH_NAME} | cut -d'-' -f 2)"
          if [[ "$BUCKET_NAME" == "prod" ]]; then
            BUCKET_NAME="www"
          fi
          BUCKET_NAME="${BUCKET_NAME}.baaahs.org"
          gsutil -m rsync -r -d ./build gs://${BUCKET_NAME}
          gcloud compute url-maps invalidate-cdn-cache lb-map --path=/* --async
        env:
          BRANCH_NAME: ${{ github.ref }}
        shell: bash