github.com/uber-go/fx
Package fx is a framework that makes it easy to build applications out of reusable, composable modules. Fx applications use dependency injection to eliminate globals without the tedium of manually wiring together function calls. Unlike other approaches to dependency injection, Fx works with plain Go functions: you don't need to use struct tags or embed special types, so Fx automatically works well with most Go packages. Basic usage is explained in the package-level example below. If you're new to Fx, start there! Advanced features, including named instances, optional parameters, and value groups, are explained under the In and Out types. To test functions that use the Lifecycle type or to write end-to-end tests of your Fx application, use the helper functions and types provided by the go.uber.org/fx/fxtest package.
Readme
Fx is a dependency injection system for Go.
Benefits
init() or global variables. Use Fx-managed singletons.See our docs to get started and/or learn more about Fx.
Use Go modules to install Fx in your application.
go get go.uber.org/fx@v1
To get started with Fx, start here.
This library is v1 and follows SemVer strictly.
No breaking changes will be made to exported APIs before v2.0.0.
This project follows the Go Release Policy. Each major version of Go is supported until there are two newer major releases.
FAQs
Package fx is a framework that makes it easy to build applications out of reusable, composable modules. Fx applications use dependency injection to eliminate globals without the tedium of manually wiring together function calls. Unlike other approaches to dependency injection, Fx works with plain Go functions: you don't need to use struct tags or embed special types, so Fx automatically works well with most Go packages. Basic usage is explained in the package-level example below. If you're new to Fx, start there! Advanced features, including named instances, optional parameters, and value groups, are explained under the In and Out types. To test functions that use the Lifecycle type or to write end-to-end tests of your Fx application, use the helper functions and types provided by the go.uber.org/fx/fxtest package.
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