post api call using node js and mongodb code example

Example 1: connect mongo to express api

//using mongoose
npm i mongoose

const mongoose = require("mongoose");

mongoose
  .connect(
    "your mongodb URI",
    {
      useNewUrlParser: true,
      useCreateIndex: true,
      useFindAndModify: false,
      useUnifiedTopology: true,
    }
  )
  .then(() => console.log("mongodb connected"))
  .catch((err) => {
    console.err(err.message);
    process.exit(1);
  });

Example 2: fetch api based on id nodejs and mongodb

// contactModel.jsvar mongoose = require('mongoose');// Setup schemavar contactSchema = mongoose.Schema({    name: {        type: String,        required: true    },    email: {        type: String,        required: true    },    gender: String,    phone: String,    create_date: {        type: Date,        default: Date.now    }});// Export Contact modelvar Contact = module.exports = mongoose.model('contact', contactSchema);module.exports.get = function (callback, limit) {    Contact.find(callback).limit(limit);}