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About Kratos

The name is inspired by the Greek-mythology-based game "God of War". It tells the adventures of Kratos becoming a god of war from a mortal and launching a god-killing slaughter.

Kratos is a microservice-oriented governance framework implemented by golang, which offers convenient capabilities to help you quickly build a bulletproof application from scratch, such as:

• Thecommunication protocolis based on the HTTP/gRPC through the definition of Protobuf.
• Abstracttransportlayer support:HTTP/gRPC.
• Powerfulmiddlewaredesign, support:Tracing (OpenTelemetry),Metrics (Prometheus is default),Recoveryand more.
• Registryinterface able to be connected with various other centralized registries through plug-ins.
• Thestandard log interfacesease the integration of the third-party log libs with logs collected through theFluentd.
• Automatically support the selection of the contentencodingwith Accept and Content-Type.
• Multiple data sources are supported forconfigurationsand dynamic configurations (use atomic operations).
• In the protocol of HTTP/gRPC, use the uniformmetadatatransfer method.
• You can defineerrorsin protos and generate enums with protoc-gen-go.
• You can defineverification rulesin Protobuf supported by the HTTP/gRPC service.
• Swagger APIis generated Automatically and embed Swagger UI endpoint can be started by addingSwagger plugin.

Kratos is accessible, powerful, and provides tools required for large, robust applications.

Learning Kratos

Kratos has the most extensive and thoroughdocumentationandexamplelibrary of all modern web application frameworks, making it a breeze to get started with the framework.

We also provide amodern template.This template should help reduce the work required to setup up modern projects.

Goals

Kratos boosts your productivity. With the integration of excellent resources and further support, programmers can get rid of most issues might encounter in the field of distributed systems and software engineering such that they are allowed to focus on the release of businesses only. Additionally, for each programmer, Kratos is also an ideal one learning warehouse for many aspects of microservices to enrich their experiences and skills.

Principles

• Simple:Appropriate design with plain and easy code.
• General:Cover the various utilities for business development.
• Highly efficient:Speeding up the efficiency of businesses upgrading.
• Stable:The base libs validated in the production environment have the characteristics of high testability, high coverage as well as high security and reliability.
• Robust:Eliminating misusing through high quality of the base libs.
• High-performance:Optimal performance excluding the optimization of hacking in case ofunsafe.
• Expandability:Properly designed interfaces where you can expand utilities such as base libs to meet your further requirements.
• Fault-tolerance:Designed against failure, enhance the understanding and exercising of SRE within Kratos to achieve more robustness.
• Toolchain:Includes an extensive toolchain, such as the code generation of cache, the lint tool, and so forth.

Getting Started

Create a kratos playground throughdocker:

docker run -it --rm -p 8000:8000 --workdir /workspace golang

apt-get update&&apt-get -y install protobuf-compiler
exportGOPROXY=https://goproxy.io,direct
go install github.com/go-kratos/kratos/cmd/kratos/v2@latest&&kratos upgrade

kratos new helloworld
cdhelloworld/&&go mod tidy
kratos run

Use a browser to open and visit:http://localhost:8000/helloworld/kratos,The kratos program is running!

If you need more, please visit the kratosdocumentation.

Security Vulnerabilities

If you discover a security vulnerability within Kratos, please send an e-mail to tonybase via[email protected].All security vulnerabilities will be promptly addressed.

Community

• Wechat Group
• Discord Group
• go-kratos.dev

Contributors

Thank you for considering contributing to the Kratos framework! The contribution guide can be found in theKratos documentation.

License

The Kratos framework is open-sourced software licensed under theMIT license.

Acknowledgments

The following project had particular influence on kratos's design.

• go-kit/kitis a programming toolkit for building microservices in go.
• asim/go-microa distributed systems development framework.
• google/go-cloudis go cloud development kit.
• zeromicro/go-zerois a web and rpc framework with lots of builtin engineering practices.
• beego/beegois a web framework including RESTful APIs, web apps and backend services.