This repository contains a structured Spring Boot application developed step-by-step, following modern backend development practices. The project includes database integration, error handling, authentication, and user security using JWT.

This application was built to explore and learn key concepts in the Spring ecosystem:

• Spring Framework & Spring Boot fundamentals
• Creating projects with Spring Initializr
• Using profiles in IntelliJ
• Spring Boot project structure
• Persistence with Spring Data JPA
• PostgreSQL configuration
• RESTful Product API
• Global and custom exception handling
• Authentication and security with Spring Security and JWT

Each part of the course is explained in its own markdown file:

• 🟢 01_spring_intro.md: Introduction to Spring & Spring Boot
• 🟢 02_initializr_project.md: Creating a project with Spring Initializr
• 🟢 03_profiles_intellij.md: IntelliJ profile configuration
• 🟢 04_structure.md: Basic project structure
• 🟢 05_data_persistence.md: Data persistence with Spring Data JPA
• 🟢 06_postgres_config.md: PostgreSQL setup
• 🟢 07_product_api.md: Creating the Product API
• 🟢 08_exception_handling.md: Exception handling in Spring Boot
• 🟢 09_global_exceptions.md: Global exception handling
• 🟢 10_security_jwt.md: Authentication & Security with Spring Security and JWT
• 🟢 11_user_auth_routes.md: User authentication and route protection

• Java 17+
• Spring Boot
• Spring Data JPA
• Spring Security
• JWT (JSON Web Token)
• PostgreSQL
• Maven

1. Clone the repository:

   git clone https://github.com/GabrielNat1/springbootapplicationcourse.git
   cd springbootapplicationcourse

2. Configure your PostgreSQL database in env.

3. Run the project:

./mvnw spring-boot:run