What problem does it solve? Deploying to Vercel through custom CI/CD pipelines involves many moving parts: prebuilt builds, environment variables, tokens, promotions, and rollbacks. This Skill provides expert guidance so you configure these workflows correctly the first time and avoid common build and deployment errors. ## Core Features & Use Cases - Deployment Command Guidance: Covers preview deploys, production deploys, vercel build with --prebuilt, vercel promote, vercel rollback, and vercel inspect. - CI/CD Pipeline Templates: Ready-to-use workflow configurations for GitHub Actions, GitLab CI, and Bitbucket Pipelines, including PR preview deployments and promote-after-test patterns. - Troubleshooting & Best Practices: A build error reference table, deployment strategy matrix, and structured deploy result reporting. - Use Case: You want every pull request to produce a preview URL and automatically promote to production after E2E tests pass. This Skill walks you through the exact GitHub Actions workflow with the correct tokens, flags, and commands. ## Quick Start Ask the assistant to set up a GitHub Actions workflow that builds and deploys your project to Vercel production on every push to main.