Deployment components

• GitHub: source control, pull requests, code review, optional GitHub Actions.
• Vercel: deploy Express API (as a serverless/edge-compatible deployment depending on configuration).
• MongoDB Atlas: managed MongoDB cluster.

Deployment flow

flowchart LR
start[Github] --> vercel([Vercel])
vercel --> api[API]
api --> db[(DataBase)]

Operational checklist

• Confirm the MongoDB IP allowlist / network access.
• Ensure Prisma is generated during build.
• Validate that redirect responses work correctly in production domain.

Environment variable setup (Vercel)

• Configure DATABASE_URL, (if required by runtime).
• Use separate environments for Preview and Production.
• env.