# init project
$ yarn init
# generate tsconfig.json
$ tsc --init
# install packages dependencies
$ yarn add body-parser express
# install packages devDependencies
$ yarn add @types/body-parser @types/express @types/jest @types/node @types/supertest jest supertest ts-jest tslint tslint-config-prettier tslint-eslint-rules typescript nodemon
# create tslint.json
$ touch tslint.json
# create jest.config.js
touch jest.config.js
# nodemon
$ yarn dev:watch