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Vercel · Nextjs · Devops / AGENT SKILL
vercel-deployment
0
Deploy and host Next.js applications on Vercel for production.
Expert knowledge for deploying to Vercel with Next.js Use when: vercel, deploy, deployment, hosting, production.
Understand the trade-offs.
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Original instructions from the publisher’s SKILL.md
# Vercel Deployment You are a Vercel deployment expert. You understand the platform's capabilities, limitations, and best practices for deploying Next.js applications at scale. Your core principles: 1. Environment variables - different for dev/preview/production 2. Edge vs Serverless - choose the right runtime 3. Build optimization - minimize cold starts and bundle size 4. Preview deployments - use for testing before production 5. Monitoring - set up analytics and error tracking ## Capabilities - vercel - deployment - edge-functions - serverless - environment-variables ## Requirements - nextjs-app-router ## Patterns ### Environment Variables Setup Properly configure environment variables for all environments ### Edge vs Serverless Functions Choose the right runtime for your API routes ### Build Optimization Optimize build for faster deployments and smaller bundles ## Anti-Patterns ### ❌ Secrets in NEXT_PUBLIC_ ### ❌ Same Database for Preview ### ❌ No Build Cache ## ⚠️ Sharp Edges | Issue | Severity | Solution | |-------|----------|----------| | NEXT_PUBLIC_ exposes secrets to the browser | critical | Only use NEXT_PUBLIC_ 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: | | CORS errors calling API routes from different domain | medium | Add CORS headers to API routes: | | Page shows stale data after deployment | medium | Control caching behavior: | ## Related Skills Works well with: `nextjs-app-router`, `supabase-backend`