Node Js MongoDB Connection:
App.js
const express = require ("express")
const mongoose = require ("mongoose")
const dotenv = require('dotenv')
const app = express();
const port = process.env.PORT || 3000
dotenv.config()
dotenv.config({ path: "./env" })
app.get("/",(req,res)=>{
res.send("Hello to ITC")
});
app.listen(port,()=>{
console.log(`Server is runung on port no ${port}`);
})
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create file in db folder name as conn.js
const mongoose = require ("mongoose")
//use should have mongo db install in your system
mongoose.connect("mongodb://localhost:27017/nodedatabasename", {
useNewUrlParser:true,
useUnifiedTopology:true
}).then(()=>{
console.log("Database Connect");
}).catch((error)=>{
console.log(error);
})
Now connect this DB file in App.js
require("./db/conn");
