DavinJ-0316 / jr-weather-api-walkthrough

JR-Weather-API-Walkthrough

The purpose of this project is to gain some practical experience on how to build an basic API server with Express.js, by achieving the following tasks:

• build up basic routes (including query params and route params)
• understand middlewares
• handle errors correctly
• re-structure the project

Steps

1. Basic express server

• init the project and install express

  npm init --yes
  npm i express

• build up an express server
• setup the routes (fetch the data from openweathermap)

2. Extract the routes

• extract routes into separate modules

3. Understand the ENV variables

• PORT
• use of dotenv

4. Other essential packages

• Helmet
• Morgan
• Winston

5. handle 404 errors

6. Back to data

• Create axios instance
• Create models
• Response formatter
• Error handling
• Country code check

7. Others

• Handle CORS problem
• uncaughtException and unhandledRejection
• Swagger

8. Deploy

• pm2
• heroku