npm i class-validator class-transformer npm add argon2 npm i @nestjs/config otherwise .env will be unreadable hence nest will fialt ot conenct to db.

$ npm install

# development
$ n run start

# watch mode
$ npm run start:dev

# production mode
$ npm run start:prod

Run tests

# unit tests
$ npm run test

# e2e tests
$ npm run test:e2e

# test coverage
$ npm run test:cov