Introduction
- Frontend-focused deployment platform.
- Optimized for React / Next.js apps with serverless functions.
- Zero infra management
- Fast global delivery
- Vercel does NOT replace backend infra, still need:
- Database (Supabase, RDS, PlanetScale)
- Cache (Redis)
- Queue (Kafka, SQS, etc.)
Deployment Flow
- Go to vercel, connect the repo
- Push code to GitHub
- Vercel auto-detects framework
- Build → Deploy → CDN
- Every PR gets a Preview URL (with HTTPS)
Vercel provide
- Serverless Functions
- API routes run as serverless (AWS Lambda under the hood)
- Cold starts possible
- Edge Functions
- Runs closer to users
- Fast response, limited runtime
- Static Generation
- Pre-build pages at deploy time
- Incremental Static Regeneration (ISR)
- Rebuild pages in background