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Develop a Pricing Range Application using the MERN Stack

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Certainly! Here's an example of Developing a Pricing Range Application using the MERN Stack

Building a Pricing Range Application using the MERN (MongoDB, Express.js, React, Node.js) stack involves creating a full-stack web application that allows users to input various parameters and receive a pricing range based on certain criteria. Here's a step-by-step guide to help you get started:

Step 1: Set Up Your Development Environment

Make sure you have Node.js and npm installed on your machine. You'll also need MongoDB for your database.

Step 2: Set Up the Backend (Node.js and Express)

1. Initialize your project:

mkdir pricing-range-app
cd pricing-range-app
npm init -y
Bash

2. Install dependencies:

npm install express mongoose cors
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3. Create a server file (e.g., server.js):

const express = require('express');
const mongoose = require('mongoose');
const cors = require('cors');

const app = express();
const PORT = process.env.PORT || 5000;

// Middleware
app.use(cors());
app.use(express.json());

// MongoDB Connection
mongoose.connect('mongodb://localhost/pricing-range-db', {
useNewUrlParser: true,
useUnifiedTopology: true,
});

// Define your MongoDB schema and model here

// Define your API routes here

app.listen(PORT, () => {
console.log(`Server is running on port ${PORT}`);
});
JavaScript

4. Define MongoDB schema and model:

Create a models folder and define your MongoDB schema and model for storing pricing-related data.

Step 3: Set Up the Frontend (React)

1. Initialize your React app:

npx create-react-app client
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2. Install dependencies:

cd client
npm install axios
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4.Create components for your frontend application.

5.Set up API calls using Axios to communicate with your backend.

Step 4: Connect Backend and Frontend

Modify your backend to serve the React app:

if (process.env.NODE_ENV === 'production') {
  app.use(express.static('client/build'));

  app.get('*', (req, res) => {
    res.sendFile(path.resolve(__dirname, 'client', 'build', 'index.html'));
  });
}
JavaScript

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