gh-vercel-deploy.yaml

name: vercel-deploy

on:
  push:
    branches:
      - main
      - develop
  pull_request:
    types: [ opened, synchronize ]
  workflow_dispatch:
    inputs:
      pull-request-number:
        required: true
        type: integer
        default: ""

env:
  PRODUCTION_BRANCH: main

jobs:
  vercel-deploy:
    if: "! github.event.pull_request.head.repo.fork"
    runs-on: ubuntu-latest
    permissions: 
      deployments: write
      pull-requests: write
    steps:
    - name: Checkout
      if: "${{ github.event.inputs.pull-request-number == '' }}"
      uses: actions/checkout@v4
      with:
        submodules: recursive  # Fetch private content
        fetch-depth: 1         # Fetch all history for .GitInfo and .Lastmod
        lfs: true

    - name: Checkout workflow_dispatch input reference
      if: "${{ github.event.inputs.pull-request-number != '' }}"
      uses: actions/checkout@v4
      with:
        submodules: recursive  # Fetch private content
        fetch-depth: 1         # Fetch all history for .GitInfo and .Lastmod
        lfs: true
        ref: "refs/pull/${{ github.event.inputs.pull-request-number }}/merge"

    - name: ⛮ cf-gha-baseline
      uses: cardano-foundation/cf-gha-workflows/./actions/cf-gha-baseline@main
      with:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: ⛮ Set vercel deploy metadata
      id: metadata
      run: |
        if [ "${GITHUB_EVENT_NAME}" == "workflow_dispatch" ]
        then
          PR_NUMBER=${{ github.event.inputs.pull-request-number }}
          echo "PR_NUMBER=${PR_NUMBER}" | tee -a "$GITHUB_ENV" | tee -a "${GITHUB_OUTPUT}"
          echo "DEPLOY_NAME=PR-${PR_NUMBER}" | tee -a "$GITHUB_ENV" | tee -a "${GITHUB_OUTPUT}"
        else
          if [ "${TRIGGERING_REF}" == "branch" ]
          then
            if [ "${BRANCH_NAME}" == "${PRODUCTION_BRANCH}" ]
            then
              echo "VERCEL_ARGS=--prod" | tee -a "$GITHUB_ENV" | tee -a "${GITHUB_OUTPUT}"
            fi
            echo "DEPLOY_NAME=BRANCH-${BRANCH_NAME}" | tee -a "$GITHUB_ENV" | tee -a "${GITHUB_OUTPUT}"
          elif [ "${TRIGGERING_REF}" == "pr" ]
          then
            echo "PR_NUMBER=${PR_NUMBER}" | tee -a "$GITHUB_ENV" | tee -a "${GITHUB_OUTPUT}"
            echo "DEPLOY_NAME=PR-${PR_NUMBER}" | tee -a "$GITHUB_ENV" | tee -a "${GITHUB_OUTPUT}"
          fi
        fi

    - name: Start Deployment
      uses: bobheadxi/deployments@v0.6.2
      id: deployment
      with:
        step: start
        token: ${{ secrets.GITHUB_TOKEN }}
        env: vercel-deploy-${{ steps.metadata.outputs.DEPLOY_NAME }}

    - name: Setup Node
      uses: actions/setup-node@v2
      with:
        node-version: '22'

    - name: 🔨 Build project
      env:
        VITE_GITHUB_URL: https://github.com/cardano-foundation/cf-explorer-landing
        VITE_CARDANO_URL: https://cardano.org/
      run: |
        npm ci
        npm run build

    - name: Configure vercel.json
      run: |
        cat > dist/vercel.json <<EOF
        {
          "rewrites": [
            {
              "source": "/((?!^/$).*)",
              "destination": "/index.html"
            }
          ]
        }
        EOF

    # Push our generated site to Vercel
    - name: Deploy to Vercel
      uses: amondnet/vercel-action@v20
      id: vercel-action
      with:
        vercel-token: ${{ secrets.VERCEL_TOKEN }} # Required
        #github-token: ${{ secrets.GITHUB_TOKEN }} #Optional
        vercel-org-id: ${{ secrets.VERCEL_ORG_ID }}  #Required
        vercel-project-id: ${{ secrets.VERCEL_PROJECT_ID }} # Required
        github-comment: false
        vercel-args: ${{ steps.metadata.outputs.VERCEL_ARGS }}
        working-directory: dist

    - name: Comment PR
      uses: thollander/actions-comment-pull-request@v1
      if: ${{ (github.event_name == 'pull_request') || (github.event_name == 'workflow_dispatch') }}
      with:
        message: 'Vercel PR (merge commit) deploy URL: ${{ steps.vercel-action.outputs.preview-url }}'
        pr_number: ${{ steps.metadata.outputs.PR_NUMBER }}
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: Update Deployment Status
      uses: bobheadxi/deployments@v0.6.2
      if: always()
      with:
        step: finish
        token: ${{ secrets.GITHUB_TOKEN }}
        status: ${{ job.status }}
        deployment_id: ${{ steps.deployment.outputs.deployment_id }}
        env_url: ${{ steps.vercel-action.outputs.preview-url }}