YOUTUBE BACKEND

• models link

chronology

1. initialization: npm , public
2. setup : git, .gitignore generator, [app,constants,index].js
3. prettier configuration
4. src/ controllers, db, middlewares, models, routes, utils
5. package i

• db is always in another continent-Hitesh Choudhry 📏

6. db connection

• change in .env, reload nodemon required.

- token - user don't have to login on ever request
- accessToken - short lived
- if accessToken expires -> 404 to frontend then, frontend hit a endpoint where it refresh the accessToken with the help of refresh token.

- mongoose internally converts string '_id' to object(string) whenever we use _id field . 
- but in aggregation pipeline it won't convert .