Cron Blue Green Deploy #147
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| name: Cron Blue Green Deploy | |
| # How can I use GitHub Actions with Vercel? | |
| # https://vercel.com/guides/how-can-i-use-github-actions-with-vercel | |
| env: | |
| VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }} | |
| VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }} | |
| on: | |
| # Allow manual runs | |
| workflow_dispatch: | |
| inputs: | |
| logLevel: | |
| description: "Log level" | |
| required: true | |
| default: "information" | |
| type: choice | |
| options: | |
| - information | |
| - debug | |
| - warning | |
| - critical | |
| tags: | |
| description: "Reason for running workflow?" | |
| required: true | |
| type: string | |
| # Run once every day https://crontab.guru/every-day | |
| schedule: | |
| - cron: "0 0 * * *" | |
| jobs: | |
| create-blue-green-deployments: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| # `1` means fetch the latest commit without full history, so it's fast and efficient. | |
| fetch-depth: 1 | |
| - name: Set node version | |
| uses: actions/setup-node@v3 | |
| with: | |
| node-version-file: ".nvmrc" | |
| - name: Enable corepack | |
| run: corepack enable pnpm | |
| - name: Set pnpm version | |
| uses: pnpm/action-setup@v3 | |
| with: | |
| run_install: false | |
| version: 8 | |
| - name: Cache node_modules | |
| id: node-modules-cache | |
| uses: actions/cache@v3 | |
| with: | |
| path: "**/node_modules" | |
| key: node-modules-cache-${{ hashFiles('**/pnpm-lock.yaml') }} | |
| - name: Install dependencies | |
| if: steps.node-modules-cache.outputs.cache-hit != 'true' | |
| run: pnpm install --no-frozen-lockfile | |
| - name: Install Vercel CLI | |
| run: npm install --global vercel | |
| # Pull down the production environment variables as if were building on Vercel. | |
| # https://vercel.com/docs/cli/pull | |
| - name: Get Vercel Environment Variables | |
| run: vercel pull --yes --environment=production --token=${{ secrets.VERCEL_TOKEN }} | |
| # Create a "blue" version of the site, deloy it, and capture the deployment url. | |
| - name: Update CSS to Blue | |
| run: 'echo "body {background: blue;}" > ./app/blue-green.css' | |
| - name: Build Blue | |
| run: vercel build --prod --token=${{ secrets.VERCEL_TOKEN }} | |
| - name: Deploy Blue | |
| id: deploy-blue | |
| run: echo "url=$(vercel deploy --prebuilt --prod --token=${{ secrets.VERCEL_TOKEN }})" >> $GITHUB_OUTPUT | |
| # Create a "green" version of the site, deloy it, and capture the deployment url. | |
| - name: Update CSS to Green | |
| run: 'echo "body {background: green;}" > ./app/blue-green.css' | |
| - name: Build Green | |
| run: vercel build --prod --token=${{ secrets.VERCEL_TOKEN }} | |
| - name: Deploy Green | |
| id: deploy-green | |
| run: echo "url=$(vercel deploy --prebuilt --prod --token=${{ secrets.VERCEL_TOKEN }})" >> $GITHUB_OUTPUT | |
| # Update the blue-green urls in the Edge Config store using Vercel's API. | |
| # https://vercel.com/docs/storage/edge-config/vercel-api#update-your-edge-config-items | |
| - name: Update Edge Config | |
| run: | | |
| curl -X 'PATCH' 'https://api.vercel.com/v1/edge-config/${{ secrets.VERCEL_EDGE_CONFIG_ID }}/items?teamId=${{ secrets.VERCEL_ORG_ID }}' \ | |
| -H 'Authorization: Bearer ${{ secrets.VERCEL_TOKEN }}' \ | |
| -H 'Content-Type: application/json' \ | |
| -d $'{ "items": [ { "operation": "upsert", "key": "blue-green-configuration", "value": { "deploymentDomainBlue": "${{ steps.deploy-blue.outputs.url }}", "deploymentDomainGreen": "${{ steps.deploy-green.outputs.url }}", "trafficGreenPercent": 50 } } ] }' |