preview.yml

name: preview
on:
  pull_request:
  workflow_dispatch:
env:
  VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
  VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
jobs:
  preview:
    runs-on: ubuntu-latest
    environment:
      name: preview
      url: ${{ steps.set-url.outputs.url }}
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-node@v2
        with:
          node-version: 16
          cache: npm
      - run: npm ci
      - run: npx vercel pull --yes --environment=preview --token=${{ secrets.VERCEL_TOKEN }}
      - run: npx vercel build --token=${{ secrets.VERCEL_TOKEN }}
      - id: deploy
        run: |
          echo "::set-output name=url::$(npx vercel deploy --prebuilt --token=${{ secrets.VERCEL_TOKEN }})"
      - id: set-url
        run: echo "::set-output name=url::${{ steps.deploy.outputs.url }}"