Node JS Express MongoDB CRUD REST API Tutorial
Creating a REST API with Node.js, Express, and MongoDB allows you to build a flexible, scalable backend for your API. In this tutorial, we will learn how to create a CRUD (Create, Read, Update, Delete) REST API using Node.js and MongoDB.
Requirements
- Node.js installed
- Express.js installed
- MongoDB installed and running
Getting Started
First, create a new directory and navigate into it using your terminal. Then, initialize a new Node.js project by running the following command:
npm init -y
Next, install the necessary dependencies by running the following commands:
npm install express mongoose
Creating the Express Server
Create a new file named server.js and add the following code to set up the Express server:
const express = require('express');
const app = express();
const port = process.env.PORT || 3000;
app.listen(port, () => console.log(`Server running on port ${port}`));
Connecting to MongoDB
Use the Mongoose library to connect to the MongoDB database. Add the following code to the server.js file:
const mongoose = require('mongoose');
const dbURI = 'mongodb://localhost:27017/your-database-name';
mongoose.connect(dbURI, { useNewUrlParser: true, useUnifiedTopology: true });
const db = mongoose.connection;
db.on('error', (error) => console.error(error));
db.once('open', () => console.log('Connected to MongoDB'));
Creating REST Endpoints
Create the CRUD endpoints for your API. Add the following code to the server.js file:
app.get('/api/posts', (req, res) => {
// Get all posts from the database and return as JSON
});
app.post('/api/posts', (req, res) => {
// Create a new post in the database
});
app.put('/api/posts/:id', (req, res) => {
// Update a post in the database
});
app.delete('/api/posts/:id', (req, res) => {
// Delete a post from the database
});
Testing the API
Test your API using Postman or any other API testing tool. Send requests to the endpoints you created to verify that the CRUD operations are working as expected.
Conclusion
Building a REST API with Node.js, Express, and MongoDB is a powerful way to create a flexible and scalable backend for your application. With this tutorial, you’ve learned how to set up a basic CRUD REST API using these technologies.
Subscribe to the channel and turn on your notification!
this series especially in 1.75 speed is awsome thanks
+++?? where is flutter??
Thanks baaba devs,
I can add the product from flutter apps to mongodb, but
I can't fetching data from mongodb in the flutter app,
Here's the error :
type 'String' is not a subtype of type 'int' of 'index'
Is this playlist completed?
Man, you helped me a lot. Thanks 🙂
please make a playlist on making e-commerce app with mongodb as a backend database, with node js.
Can I get the code Soares?
I will be thankful to you in advance because I have a lot of mistakes
methods apart from insert isn't working from the emulator. Can u please make a video showing the working from the emulator? It would be actually very helpful.
Please show me how to deploy the API on a public server