#backend development

Full-Stack REST API Builder with Authentication & Database

Generate a production-ready REST API with JWT authentication, database models, CRUD operations, and error handling in your preferred framework.

Act as a senior full-stack developer with 10+ years of experience building scalable backend systems. Generate a complete REST API for [Application Type] using [Framework / Language] (e.g., Node.js/Express, Python/FastAPI, Go/Gin). Requirements: Project Structure: Provide the full directory layout following industry best practices (MVC or Clean Architecture). Database Models: Design and implement schemas/models for [Core Entities] using [ORM / Database] (e.g., Prisma/PostgreSQL, SQLAlchemy/MySQL, GORM/SQLite). Authentication: Implement JWT-based authentication (register, login, refresh token). Add middleware for protected routes. Include password hashing with bcrypt or equivalent. CRUD Endpoints: For each entity, implement: GET (list with pagination and filtering) GET by ID POST (with validation) PUT / PATCH DELETE (soft delete preferred) Error Handling: Implement a centralized error handler with consistent JSON error responses. Validation: Add input validation on all POST/PUT endpoints. Environment Config: Use environment variables for secrets, database URL, and port. Constraints: Write clean, commented code. Include a sample .env file. Provide setup instructions in a README section. Tone: Technical but clear. No unnecessary comments.