Code Along: Building a Full Stack Application from Scratch
Introduction: This blog post aims to provide readers with a hands-on, step-by-step guide to building a complete full-stack application from scratch, using both MERN (MongoDB, Express.js, React, Node.js) and MEAN (MongoDB, Express.js, Angular, Node.js) technologies. The goal is to give readers a practical and immersive experience in full-stack development.
Prerequisites and Setup: The blog starts by listing the
prerequisites, including the installation of necessary software and tools such
as Node.js, npm (Node Package Manager), MongoDB, and the code editor of choice.
It also covers the setup of the project directory structure.
Front-End Development (MERN Stack):
1. Setting
up the React App
• Using
create-react-app or a similar tool to scaffold the front-end application.
• Explaining
the project structure and the purpose of key files.
2. Creating
React Components
• Building
essential UI components for the application.
• Implementing
a simple layout and navigation.
3. State
Management with React
• Introducing
state and props in React for managing the application's dynamic content.
• Incorporating
React Hooks for state management.
4. Handling
User Input
• Implementing
forms and handling user input.
• Validating
and submitting user data.
Back-End Development (MERN Stack)
5. Setting Up Express.js
Server
• Initializing
an Express.js server for the back end.
• Configuring
routes and middleware.
6. Connecting
to MongoDB
• Establishing
a connection to MongoDB for data storage.
• Designing
the database schema and setting up collections.
7. Implementing
CRUD Operations
• Creating
API endpoints for CRUD (Create, Read, Update, Delete) operations.
• Implementing
logic for handling requests and interacting with the database.
8. Authentication
and Authorization
• Introducing
user authentication using a library like Passport.js.
• Implementing
token-based authentication and securing routes.
Full-Stack Integration (MERN Stack)
9. Connecting Front-End
and Back-End
• Integrating
the front-end React application with the Express.js back end.
• Making
API calls from the React components to fetch and display data.
Front-End Development (MEAN Stack)
10. Setting Up Angular App
Creating an Angular project using the Angular CLI. - Explaining the
Angular project structure and key files.
11. Building
Angular Components
• Developing
components for the Angular application.
• Configuring
routes and navigation.
12. Services
and Dependency Injection
• Implementing
services for data retrieval and manipulation.
• Demonstrating
dependency injection in Angular.
Back-End Development (MEAN Stack)
13. Express.js Server Setup
Setting up an Express.js server for the MEAN stack application. -
Configuring routes and middleware.
14. MongoDB
Connection and CRUD Operations
• Establishing
a connection to MongoDB for the MEAN stack.
• Implementing
CRUD operations on the server side.
15. User
Authentication in MEAN Stack
• Introducing
user authentication using middleware.
• Implementing
token-based authentication and protecting routes.
Full-Stack Integration (MEAN Stack)
16. Connecting Angular and Express.js
- Integrating the Angular front end with the Express.js back
end. - Making HTTP requests from Angular services to interact with the
Express.js API.
Conclusion: The blog concludes by highlighting the
achievement of building a full-stack application/development from scratch, emphasizing the
importance of hands-on experience in understanding the intricacies of both MERN
and MEAN technologies. It encourages readers to explore further, experiment
with additional features, and use the created application as a foundation for
future projects.
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