Skeleton for node express api

Context

• Technologies
• Application structure
• Preparation & initial start
  • Preconditions
  • Installation
• Scripts

Technologies

• Node.js v12.x
• Express.js
• Typescript

Application structure

• /.devops - manual/auto deploy/build scripts/configs
  • /config - predefined configs for envs
  • /scripts - general purpose scripts
    • /local - scripts for local development
• /dist - all binaries should be here - svc - svc binaries for prod
• /src - source code
  • /libs - service middleware and global libs
  • /modules - services features
  • /types - files for describing or overriding global types for typescript
  • /utils - helpers functions what used for easier implementation
  • /index.ts - point of income into service application
• package.json - component meta file (default for js environment). Here the whole service version history is tracked

Preparation & initial start

Preconditions

• node.js should be installed
• docker should be installed

Installation

• Clone project from svc repo
• Go to repo folder and run npm i - install dependencies
• Run npm run start launch service
• Go to http://localhost:9000 in browser

Scripts

• start - launch application
• ts-node - wrap local ts-node package
• jest - wrap local jest package
• clean:dist - clear dist folder before new build
• prebuild - launched before build command automatically
• build - build sources of application
• lint - static analize of application
• lint:fix - auto fix errors after linter check
• test - run unit tests
• test:coverage - run unit tests and generate coverage report