Golang Dependency Injection Architect

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Guides the implementation of testable, loosely coupled Go applications using manual dependency injection or industry-standard libraries.

This skill empowers Go developers to build scalable and maintainable service architectures by applying Dependency Injection (DI) principles. Acting as a Go software architect, it helps users choose between manual constructor injection and specialized libraries like google/wire, uber-go/fx, or samber/do based on project complexity. The skill facilitates the refactoring of tightly coupled code—identifying global variables and anti-patterns—while providing concrete implementation patterns for lifecycle management, lazy initialization, and interface-based design to ensure high testability and clean separation of concerns.

Key Features

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02Automated refactoring analysis to identify global variables, init() dependencies, and service-locator anti-patterns.
03Implementation patterns for lifecycle management including graceful shutdowns and health checks.
04Support for major Go DI frameworks including google/wire, uber-go/fx, and samber/do.
05Advanced testing strategies using container overrides and interface boundaries for seamless mocking.
06Architectural guidance for selecting the optimal DI library or manual approach based on project size.

Use Cases

01Designing a new microservice architecture with automated service wiring and lifecycle hooks.
02Migrating a monolithic Go application from global state and init() functions to modular dependency injection.
03Refactoring untestable code by introducing interface boundaries and constructor-based dependency injection.