🚀 Employee Management REST API

A production-style RESTful backend application built using Spring Boot and MySQL implementing full CRUD operations with layered architecture, validation, and global exception handling.

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🛠 Tech Stack

• Java 17+
• Spring Boot
• Spring Data JPA (Hibernate)
• MySQL
• Maven
• Postman (API Testing)

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🏗 Architecture

Layered architecture following best practices:

• Controller Layer
• Service Layer
• Repository Layer
• Model (Entity)
• Global Exception Handling
• Validation

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📌 Features

• Create Employee
• Get All Employees
• Get Employee by ID
• Update Employee
• Delete Employee
• Field Validation
• Custom 404 Error Handling
• Proper HTTP Status Codes

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📡 API Endpoints

Method	Endpoint	Description
POST	/api/employees	Create employee
GET	/api/employees	Get all employees
GET	/api/employees/{id}	Get employee by ID
PUT	/api/employees/{id}	Update employee
DELETE	/api/employees/{id}	Delete employee

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🧪 Sample Request (POST)

{
  "name": "Raghav",
  "email": "raghav@example.com",
  "department": "IT",
  "salary": 50000
}

❌ Sample Validation Error

{
  "email": "Email should be valid",
  "salary": "Salary must be positive"
}

▶️ How To Run Clone repository Configure MySQL in application.properties Run: mvn spring-boot:run Server runs on: http://localhost:8080

👨‍💻 Author Raghav Maheshwari

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