Loan API Demo

This is a simple loan API demo that allows you to create, read, update and delete loans. It is built with H2 in-memory database, Spring Boot, Spring Data JPA, and Spring Web. You can access the database console at http://localhost:8080/h2-console with the following credentials: username: sa and password: password_loan

Getting Started

Prerequisites

Ensure you have the following installed:

• Java 17 or higher
• Maven (for building and running the project)

Clone the Repository

git clone https://github.com/username/user-management-api.git
cd user-management-api

Build the Project

mvn clean install

Run the Application

mvn spring-boot:run

The application will be available at http://localhost:8080.

API Endpoints

HTTP Method	Endpoint	Description	RequiredRole
GET	/customers	Get all customers	Admin
GET	/customers/{id}	Get a customer by ID	Admin, User
POST	/customers	Create a new customer	Admin
PUT	/customers/{id}	Update customer information	Admin, User
DELETE	/customers/{id}	Delete a customer by ID	Admin
POST	/customers/{id}/loans	Create a new loan	Admin, User
GET	/customers/{id}/loans	Get all loans by customer ID	Admin, User
GET	/customers/{id}/loans/{loanId}/installments	Get all loans by loan ID	Admin, User
POST	/customers/{id}/loans/{loanId}/installments/pay	Pay Loan	Admin, User

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Admin username and admin password are both 'admin'. You can access the endpoints with these as admin by using Basic Auth You can also add a new customer as admin. And use the endpoints for that user as the user's oneself.