NoteTaking Backend (Collabrative)

Global errorMiddleWare

    import {errorMiddleWare } from './middleware/errorMiddleware.js';
    
    const app = express();
    
    app.use(errorMiddleWare);
    app.use(bodyParser.json());
    app.use(bodyParser.urlencoded({ extended: true }));
    
    
    app.get("/",(req,res)=>{
    
        res.json({message:"homepage"});
       
    });
    
    app.listent(process.env.PORT,()=>{
    
       console.log("server is running!");
    
    })

Static Resource

    import path from 'path';   
 app.use(express.static(path.join(path.resolve(),"public")));

Ejs file

 app.set("view engine","ejs");

Cors

cors stand for cross origin resource sharing which is http header implemented by browser for security purpose it allows resources to same domain over server , any different domain can not access resource from server

  import cors from 'cors';   
  app.use(cors({
            origin:[process.env.FRONTEND],
            methods:["GET","POST","DELETE","PUT","PATCH"],
            credentials:true
          }))

MongoDb

    1. Login with google
    2. Go to Database option and create new clustor
    3. Choose Shared option
    4. Choose mumbai location
    5.  final click on create clustor (but you can create only once clustor on mongodb for free)

    6. If clustor already created then  you see connect button 
    7. Choose  a way to connct with your application ( choose compass option )
    8. copy that string which is essential
    9. and replace username and passoword

    steps for username and password

    1. Go to network access section 
    2. 0.0.0.0/0  ( add current ip address by default )
    3. Go to Database access section
    4. add user with name and passowrd and assign role as well...