$ yarnCreate a .env file in root directory and
# populate these in .env file
DB_USER=
DB_PASS=
DB_NAME=
JWT_SECRET=# development
$ yarn start
# watch mode
$ yarn start:dev
# production mode
$ yarn start:prod# unit tests
$ yarn test
# e2e tests
$ yarn test:e2e
# test coverage
$ yarn test:cov