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MERN Training Course

MERN Stack is one of the most popular and in-demand Full Stack Web Development Technologies today. It simplifies and improves application enhancement. MERN Stack includes both back-end and front-end components and allows you to use only one programming language, JavaScript. Full Stack MERN Developer is a highly sought-after title, with a 206% increase in demand for MERN Developers and continued growth after that. This course will help you master MongoDB, Express, React, and Node.js by first covering the fundamentals of Web Programming, User Interface, and Application Layer.

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What is the “MERN Stack”?

MERN A first overview.

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Course Outline.

How to get the Most Out Of the Course.

The MERN Stack -Theory

Module Introduction

Understanding the Big Picture

Diving into the Frontend

Understanding the Backend

REST vs GraphQL

Connection Node & React

Creating our Development Environment & the Development servers

Diving deeper into the code



Planning the App

Module Introduction

Understanding the general App idea

Sketching out the Frontend

Data & API Endpoints used in our App

Required SPA Pages for the Frontend


React.Js-A Refresher

Module Introduction

What is React?

A note about The NodeJs Version

React 18

Setting Up a Starting Project

Understanding JSX

Understanding Components

Working with Multiple Components

Using Props to pass Data between Components

Rendering Lists of Data

Handling Events

Efficient Child<=>Parent Communication

Working with “State”

More on State
Fetching User Input (Two-way Binding)
React.js Basics

React.Js - Building the Frontend

Module Introduction

Starting Setup, Pages & Routes

Adding a UserList Page/Component

Adding a UserItem Component

Styling our App & More Components

Presentational vs Stateful Components

Adding a Main Header

Adding Navlinks

Implementing a Basic Desktop & Mobile Navigation

Understanding Portals

Handling the Drawer State

Animating the Sidedrawer

Rendering User Places & Using Dynamic Route Segments

Getting Route Params

Adding Custom Buttons

Adding a Modal

Rendering a Map with Google Maps

Continuing without a Credit Card

Optional: More on the useEffect() Hook

Adding a Custom Form Input Component

Managing State in the Input Component

Adding Input Validation

Sharing Input Values & Adding Multiple Inputs

Managing Form-wide State

Finishing the “Add Place” Form

Starting Work on the “Update Place” Page

Adjusting the Input Component

Creating a Custom Form Hook (useForm)

Optional: More on (Custom) React Hooks

Adjusting the Form Hook

Fixing Minor Issue
Showing a Deletion Warning

Adding an “Auth” Page & Login Form

Adding Signup + “Switch Mode” Button

Adding Auth Context for App-wide State Management

Listening to Context Changes

 Adding Authenticated & Unauthenticated Routes
More Auth Context Usage

Node.Js & Express.Js - A Refresher

Module Introduction

What is Node.Js?

Writing our First Node.js Code

Sending Requests & Responses

What is Express.js?

Adding Express.js

Understanding the Advantages of Express.js

How Code Execution Works


Node.Js & Express.Js -Building our REST API

Module Introduction
Setting up our Project
Implementing Basic Routing
Adding Place-Specific Routes
Getting a Place By User ID
Handling Errors
Adding our own Error Model
Adding Controllers
Adding a POST Route & Using
PostmanHandling Errors for Unsupported Routes
Adding Patch Routes to Update Places
Deleting Places
Finalizing the “Get Places by User ID” Resources
Setting Up the User Routes (Signup, Login, Get Users
Validating API Input (Request Bodies)
Validating Patch Requests & User Routes
Using Google’s Geocoding API to Convert an Address into coordinates

Working with MongoDB & Mongoose - A Refresher

Module Introduction
What is MongoDB?
Connecting React to a Database?
Setting Up MongoDB
Creating a Simple Backend & Connecting it to the database
Creating a Document with MongoDB
Getting Data from the Database
Installing Mongoose
Understanding Models & Schemas
Creating a Product
Connecting to the Database & Saving the Product
Getting Products
Understanding the ObjectID


Connecting the Backend to the Database-MongoDB and Mongoose

Module Introduction
Installing Mongoose & connecting our Backend to-MongoDB
Creating the Place Schema & Model
Creating & Storing Documents in the Database
Getting Places by the PlaceID
Getting Places by the UserID
Updating Places
Deleting Places
How Users & Places are Related
Creating the User Model
Using the User Model for Signup
Adding the User Login
Getting Users
Adding the Relation between Places & Users
Creating Places & Adding it to a User
Deleting Places & Removing it From the User
Getting Places – An Alternative
Cleaning Up our Code


Connecting the React.Js Frontend to the Backend

Module Introduction
Initial Setup
Sending a POST Request to the Backend
Optional: The fetch() API
Handling CORS Errors
Getting Started with Error Handling
Proper Error Handling in the Frontend
Sending a Login Request
Getting Users with a GET Request
Creating a Custom Http Hook
Improving the Custom Http Hook
Using the Http Hook to GET Users
Adding Places (POST)
Loading Places by User Id
Updating Places
Deleting Places
Fixing NavLinks & “My Places”
Final Adjustments

Adding File Upload

Module Introduction
Building an ImageUpload Component
Finishing & Using the ImageUpload Component (in a form)
On the Backend: Using Multer to Save Files
Filtering Files on the Backend (Images Only!)
Wiring Frontend and Backend Up
Connecting Users to Images
Serving Images Statically
Uploading Images for New Places
Deleting Images When Places Get Deleted

Adding Authentication

Module Introduction
How Authentication Works (in a MERN App)
Hashing the User Password
Logging Users In (with Hashed Passwords)
Generating Tokens (JWT) on the Backend
Optional: More on JSON Web Tokens
Backend Route Protection with Auth Middleware
Using & Attaching JWT (Tokens) in React
Using Tokens to Update and Delete Places
Adding Authorization
Authorization on “Delete Places”
Storing the Token in the Browser Storage
Adding Auto-Login (Basic Version)
Managing the Token Expiration Date
Finished Auto-Login & Auto-Logout
Creating a Custom Authentication Hook
Authentication – Summary
General App Improvements


Application Deployment

Module Introduction
Deployment Steps Overview
Using Environment Variables (Node.js)
Environment Variables in React Apps
Preparing API Keys & Credentials
Building the React App
Adding Code Splitting to React
Understanding Possible Deployment Alternatives
Deploying a Standalone REST API (Example: Heroku
Deploying a Standalone React SPA (Example: Firebase Hosting
Fixing Style Issues
Deploying a Combined App
Storing Files/ Uploads

Ashish Kumar Patel


Meet Our Team

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Your Knowledge, Not Hoarding it”

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