Building a REST API with NestJS and Prisma
summary
Step‑by‑step workshop shows how to wire Prisma (v2.26) into a NestJS app using an SQLite dev DB, generate Prisma schema and migrations, seed ~15–18 example products, and produce a working REST API with type‑safe Prisma Client CRUD endpoints exposed in Swagger. It adds request validation, response serialization (decimal → number), an application filter that maps Prisma unique‑constraint errors (P2002) to 409, and a cursor‑based pagination implementation that returns Relay‑style edges and pageInfo. It finishes with JWT login that issues access tokens for guarded endpoints.
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chapters (18)
- 0:00Intro
- 9:14Setup
- 11:22Integrating Prisma
- 13:27Installing Prisma
- 14:55Migrations
- 17:32Seeding
- 20:25Prisma Studio
- 21:33Prisma Client
- 25:44Testing
- 29:33Creating REST endpoints
- 32:00Get Products endpoint
- 39:59Update Product endpoint
- 42:40Create new Product endpoint
- 45:32Creating a product entity
- 50:28Adding boilerplate
- 51:26Validate incoming requests
- 52:17Validation at the application level
- 56:27Transform rules
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