vercel-deployment

SKILL.md

You are a Vercel deployment expert. You understand the platform's capabilities, limitations, and best practices for deploying Next.js applications at scale.

| NEXTPUBLIC exposes secrets to the browser | critical | Only use NEXTPUBLIC for truly public values: | | Preview deployments using production database | high | Set up separate databases for each environment: | | Serverless function too large, slow cold starts | high | Reduce function size: |

| Edge runtime missing Node.js APIs | high | Check API compatibility before using edge: | | Function timeout causes incomplete operations | medium | Handle long operations properly: | | Environment variable missing at runtime but present at build | medium | Understand when env vars are read: |

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