go-backend-clean-architecture

Clean Architecture for Go backends organizes code into independent layers—entities, use cases, interfaces, and frameworks—improving testability and maintainability. This Skill provides a scaffold using Gin for HTTP routing, MongoDB for persistence, and JWT for authentication, letting you start with proven structure immediately rather than designing from scratch.

Yes. Gin is a lightweight HTTP framework that pairs directly with MongoDB for stateless REST APIs. This Skill includes pre-configured integration between Gin route handlers and MongoDB queries, plus JWT middleware for request authentication, so you avoid manual wiring.

You need Go 1.21 or later, MongoDB running locally or remotely, and Git to clone the template. After cloning, run `go mod download` to fetch dependencies, then `go run ./cmd/main.go` to start the server. Environment variables configure MongoDB connection and JWT secrets.

JWT (JSON Web Token) provides stateless authentication: clients include a signed token in request headers, middleware validates it without querying a session store, and your handlers access user identity from the token. This Skill includes JWT middleware already wired into Gin route protection.

Yes. The scaffold is Docker-friendly with a standard Go binary build process and environment-based configuration for MongoDB and JWT. You can containerize it immediately and deploy to any platform supporting Docker or native Go binaries.

Clean Architecture separates business logic from frameworks and databases, making code testable, reusable, and resilient to technology swaps. Instead of handlers calling database code directly, layers communicate through interfaces, so you can test entities and use cases without Gin or MongoDB.