A step-by-step guide on handling relational data in a NestJS REST API using Prisma and PostgreSQL. Covers adding a User model with a one-to-many relationship to Articles, implementing full CRUD endpoints for users, excluding sensitive fields (password) from API responses using NestJS's ClassSerializerInterceptor and entity classes, and returning nested relational data (author with article) in a single API call.
Table of contents
Table Of ContentsIntroductionAdd a User model to the databaseImplement CRUD endpoints for UsersExclude password field from the response bodyReturning the author along with an articleSummary and final remarks2 Impressions