🎓 Student Management System

A Spring Boot CRUD application for managing student records.
Easily add, update, view, and delete students using a simple web interface.

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🚀 Tech Stack

• 🧠 Backend: Spring Boot
• 🎨 Frontend (View): Thymeleaf
• 🗄️ Database: PostgreSQL
• 🔄 ORM: Spring Data JPA (Hibernate)
• 🐳 Containerization: Docker
• ⚙️ Build Tool: Maven
• 🌐 Server Port: 8081

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⚙️ Configuration (Environment Variables)

This project uses environment variables for database configuration.

🔐 Required Environment Variables

DB_URL=jdbc:postgresql://localhost:5432/sms
DB_USERNAME=postgres
DB_PASSWORD=your_password

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📚 Application Endpoints

HTTP Method	Endpoint	Description	View / Redirect
GET	/students	Display all students	students.html
GET	/students/new	Show form to add a new student	create_student.html
POST	/students	Save a new student	Redirect → /students
GET	/students/edit/{id}	Edit student by ID	edit_student.html
POST	/students/{id}	Update student details	Redirect → /students
GET	/students/{id}	Delete student	Redirect → /students

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🗂️ Project Structure

src/
 └── main/
     ├── java/com/suvam/sms/
     │   ├── controller/StudentController.java
     │   ├── entity/Student.java
     │   ├── repository/StudentRepository.java
     │   └── service/StudentService.java
     └── resources/
         ├── templates/
         │   ├── students.html
         │   ├── create_student.html
         │   └── edit_student.html
         └── application.properties
Dockerfile

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🐳 Docker Support

📄 Dockerfile

FROM eclipse-temurin:17-jdk-alpine
WORKDIR /app
COPY target/student-management-system.jar app.jar
EXPOSE 8081
ENTRYPOINT ["java", "-jar", "app.jar"]

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🏁 Features

• ✅ List all students
• ✅ Add new student
• ✅ Update student details
• ✅ Delete student
• ✅ PostgreSQL integration
• ✅ Environment variable based configuration
• ✅ Dockerized application