📝 ToDo Application (Spring Boot + PostgreSQL)

A full-featured backend ToDo application built using Spring Boot and PostgreSQL. This project demonstrates clean architecture principles, layered separation (Controller → Service → Repository → Entity), and usage of key Spring concepts.

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🧰 Tech Stack

• Java 17+
• Spring Boot 3.x
• Spring Data JPA
• PostgreSQL
• Docker
• Maven
• Lombok

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🚀 Features

• Create, Read, Update, and Delete (CRUD) ToDos
• PostgreSQL database integration via JPA
• Docker setup for database
• RESTful API design
• Exception handling using ResponseEntity
• Secure environment configuration
• Usage of @Entity, @Repository, @Service, and @RestController
• Auto-wiring and Dependency Injection

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📁 Project Structure

src/
└── main/
    ├── java/com/mkr/todo/
    │   ├── controller/        # REST controllers
    │   ├── service/           # Business logic
    │   ├── repository/        # JPA repositories
    │   ├── model/             # Entities
    │   └── TodoApplication.java
    └── resources/
        └── application.properties