SPRING BOOT

Getting Started

• Install Necessary Packages: PostgreSQL, FlywayDB, etc.
• Docker Setup: Create a docker-compose file to install and run a PostgreSQL container.
• Database Creation: Set up the database inside the PostgreSQL container.
• Configuration: Configure application.properties to connect to the database.

Connecting to the Database

• FlywayDB: Use FlywayDB to create all necessary tables and constraints.
• Entities: Create the customer entity.

Error Handling

• Error Handling Classes: Develop error handling classes that return appropriate messages and statuses based on errors, to be used in the Service and Controller layers.

Customer Data Access Service

• CRUD Operations: Utilize JDBC Template or JPA to create functions for CRUD operations and other necessary tasks.
• Unit Tests: Set up unit tests to ensure functions work as intended.

Customer Service and Controller

• Controller Setup: Create the Customer Controller to implement all required REST APIs for retrieving, adding, updating, etc.
• Service Layer: Develop the Customer Service layer to handle the logic necessary to provide correct data to the Controller layer.
• Unit Tests: Set up unit tests to ensure functions work as intended.

Integration Tests

• Simulated Usage: Create integration tests to simulate user interaction and test the cooperation of all layers.

Spring Security

• API Security: Secure API endpoints by configuring Spring Security.
• JWT Authentication: Implement JWT for authentication.
• User Authentication: Create sign-up and login functions for user registration and access.
• Filters: Add filters to allow unauthenticated sign-up requests.
• Token Management: Develop functions to return authorization tokens on login and verify tokens from other requests.

Integrating with Amazon S3

• Configuration: Set up connections to S3 buckets, including a fake S3 bucket for testing.
• Functions: Create functions to put and get objects from S3 buckets.
• Rest Controller: Develop a Rest Controller for users to add profile pictures to their accounts.
• Unit Tests: Set up unit tests to ensure functions work as intended.
• Integration Tests: Modify integration tests to include testing for uploading and retrieving profile pictures.

GitHub Workflows

• First Workflow: Build and verify the project by running all unit tests on push.
• Second Workflow: Verify all integration tests, package the Spring application inside a Docker container, upload it to DockerHub, and deploy to AWS Elastic Beanstalk.

REACT JS

Description

Components

• Login/Login.jsx: Handles user login functionality.
• Signup/Signup.jsx: Manages user registration.

Context

• AuthContext.jsx: Provides authentication context for managing user sessions.

Customer

• Card.jsx: Displays customer information.
• CreateCustomerForm.jsx: Form to create new customers.
• DrawerForm.jsx: Drawer form component.
• UpdateCustomerForm.jsx: Form to update existing customers.
• UpdateDrawerForm.jsx: Drawer form for updating customers.

Shared

• ProtectedRoute.jsx: Ensures routes are accessible only to authenticated users.
• SideBar.jsx: Sidebar navigation component.

Services

• client.js: Axios client setup for making HTTP requests.
• notification.js: Notification service for displaying alerts and messages.

Other Files

• Customer.jsx: Main customer component that implements infinite scroll functionality to load customers dynamically as the user scrolls, preventing application overload..
• Home.jsx: Home component for the landing page.
• index.css: Global CSS styles.
• main.jsx: Main entry point for the React application.

Usage

• Login: Navigate to /login to log in.
• Signup: Navigate to /signup to register.
• Customer Management: Use the customer forms to create, update, and view customer information.
• Protected Routes: Ensure routes are secure and only accessible to authenticated users.