TaskForgeAPI

Backend application for task management, built with Kotlin and Spring Boot. Designed with real-world API concerns such as security, concurrency control, auditing, and scalable data handling in mind.

🔗 GitHub: View Repository

🚀 Features

• Full CRUD for tasks and categories
• Status transition control (TODO → DOING → DONE)
• JWT-based authentication and secure endpoints
• Audit logging for task changes
• Filtering and paginated queries
• Soft delete to preserve data integrity
• Optimistic locking for concurrency handling

🏗️ Architecture & Tech

• Kotlin 2.2, Spring Boot
• Spring Security (JWT)
• Spring Data JPA
• PostgreSQL / H2
• Flyway (database migrations)
• TestContainers, JUnit 5
• Docker/Docker Compose for Infrastructure

⚙️ Highlights

• State machine implementation for task status transitions
• Optimistic locking to prevent concurrent update conflicts
• Audit trail design for tracking entity changes
• Clean layered architecture (Controller, Service, Repository, DTO)
• Environment-based configuration with secure variables