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150 lines
7.0 KiB
150 lines
7.0 KiB
2 years ago
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<p align="center"><a href="https://go-kratos.dev/" target="_blank"><img src="https://github.com/go-kratos/kratos/blob/main/docs/images/kratos-large.png?raw=true"></a></p>
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<p align="center">
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<a href="https://github.com/go-kratos/kratos/actions"><img src="https://github.com/go-kratos/kratos/workflows/Go/badge.svg" alt="Build Status"></a>
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<a href="https://pkg.go.dev/github.com/go-kratos/kratos/v2"><img src="https://pkg.go.dev/badge/github.com/go-kratos/kratos/v2" alt="GoDoc"></a>
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<a href="https://codecov.io/gh/go-kratos/kratos"><img src="https://codecov.io/gh/go-kratos/kratos/master/graph/badge.svg" alt="codeCov"></a>
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<a href="https://goreportcard.com/report/github.com/go-kratos/kratos"><img src="https://goreportcard.com/badge/github.com/go-kratos/kratos" alt="Go Report Card"></a>
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<a href="https://github.com/go-kratos/kratos/blob/main/LICENSE"><img src="https://img.shields.io/github/license/go-kratos/kratos" alt="License"></a>
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<a href="https://github.com/avelino/awesome-go"><img src="https://awesome.re/mentioned-badge.svg" alt="Awesome Go"></a>
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<a href="https://discord.gg/BWzJsUJ"><img src="https://img.shields.io/discord/766619759214854164?label=chat&logo=discord" alt="Discord"></a>
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</p>
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<p align="center">
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<a href="https://www.producthunt.com/posts/go-kratos?utm_source=badge-featured&utm_medium=badge&utm_souce=badge-go-kratos" target="_blank"><img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=306565&theme=light" alt="Go Kratos - A Go framework for microservices. | Product Hunt" style="width: 250px; height: 54px;" width="250" height="54" /></a>
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</p>
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Translations: [English](README.md) | [简体中文](README_zh.md)
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# Kratos
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Kratos 一套轻量级 Go 微服务框架，包含大量微服务相关功能及工具。
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> 名字来源于:《战神》游戏以希腊神话为背景，讲述奎托斯（Kratos）由凡人成为战神并展开弑神屠杀的冒险经历。
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## Goals
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我们致力于提供完整的微服务研发体验，整合相关框架及工具后，微服务治理相关部分可对整体业务开发周期无感，从而更加聚焦于业务交付。对每位开发者而言，整套 Kratos 框架也是不错的学习仓库，可以了解和参考到微服务方面的技术积累和经验。
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### Principles
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* 简单：不过度设计，代码平实简单；
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* 通用：通用业务开发所需要的基础库的功能；
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* 高效：提高业务迭代的效率；
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* 稳定：基础库可测试性高，覆盖率高，有线上实践安全可靠；
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* 健壮：通过良好的基础库设计，减少错用；
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* 高性能：性能高，但不特定为了性能做 hack 优化，引入 unsafe ；
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* 扩展性：良好的接口设计，来扩展实现，或者通过新增基础库目录来扩展功能；
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* 容错性：为失败设计，大量引入对 SRE 的理解，鲁棒性高；
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* 工具链：包含大量工具链，比如 cache 代码生成，lint 工具等等；
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## Features
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* [APIs](https://go-kratos.dev/docs/component/api) ：协议通信以 HTTP/gRPC 为基础，通过 Protobuf 进行定义；
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* [Errors](https://go-kratos.dev/docs/component/errors/) ：通过 Protobuf 的 Enum 作为错误码定义，以及工具生成判定接口；
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* [Metadata](https://go-kratos.dev/docs/component/metadata) ：在协议通信 HTTP/gRPC 中，通过 Middleware 规范化服务元信息传递；
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* [Config](https://go-kratos.dev/docs/component/config) ：支持多数据源方式，进行配置合并铺平，通过 Atomic 方式支持动态配置；
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* [Logger](https://go-kratos.dev/docs/component/log) ：标准日志接口，可方便集成三方 log 库，并可通过 fluentd 收集日志；
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* [Metrics](https://go-kratos.dev/docs/component/middleware/metrics) ：统一指标接口，可以实现各种指标系统，默认集成 Prometheus；
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* [Tracing](https://go-kratos.dev/docs/component/middleware/tracing) ：遵循 OpenTelemetry 规范定义，以实现微服务链路追踪；
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* [Encoding](https://go-kratos.dev/docs/component/encoding) ：支持 Accept 和 Content-Type 进行自动选择内容编码；
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* [Transport](https://go-kratos.dev/docs/component/transport/overview) ：通用的 [HTTP](https://go-kratos.dev/docs/component/transport/http) /[gRPC](https://go-kratos.dev/docs/component/transport/grpc) 传输层，实现统一的 [Middleware](https://go-kratos.dev/docs/component/middleware/overview) 插件支持；
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* [Registry](https://go-kratos.dev/docs/component/registry) ：实现统一注册中心接口，可插件化对接各种注册中心；
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* [Validation](https://go-kratos.dev/docs/component/middleware/validate): 通过Protobuf统一定义校验规则，并同时适用于HTTP/gRPC服务.
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* [SwaggerAPI](https://go-kratos.dev/docs/guide/openapi): 通过集成第三方[Swagger插件](https://github.com/go-kratos/swagger-api) 能够自动生成Swagger API json并启动一个内置的Swagger UI服务.
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## Getting Started
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### Required
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- [go](https://golang.org/dl/)
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- [protoc](https://github.com/protocolbuffers/protobuf)
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- [protoc-gen-go](https://github.com/protocolbuffers/protobuf-go)
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### Installing
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##### go install 安装：
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```
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go install github.com/go-kratos/kratos/cmd/kratos/v2@latest
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kratos upgrade
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```
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##### 源码编译安装：
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```
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git clone https://github.com/go-kratos/kratos
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cd kratos
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make install
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```
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### Create a service
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```
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# 创建项目模板
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kratos new helloworld
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cd helloworld
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# 拉取项目依赖
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go mod download
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# 生成proto模板
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kratos proto add api/helloworld/helloworld.proto
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# 生成proto源码
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kratos proto client api/helloworld/helloworld.proto
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# 生成server模板
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kratos proto server api/helloworld/helloworld.proto -t internal/service
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# 生成所有proto源码、wire等等
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go generate ./...
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# 运行程序
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kratos run
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```
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### Kratos Boot
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```
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import "github.com/go-kratos/kratos/v2"
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import "github.com/go-kratos/kratos/v2/transport/grpc"
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import "github.com/go-kratos/kratos/v2/transport/http"
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httpSrv := http.NewServer(http.Address(":8000"))
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grpcSrv := grpc.NewServer(grpc.Address(":9000"))
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app := kratos.New(
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kratos.Name("kratos"),
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kratos.Version("latest"),
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kratos.Server(httpSrv, grpcSrv),
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)
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app.Run()
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```
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## Related
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* [Docs](https://go-kratos.dev/)
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* [Examples](https://github.com/go-kratos/examples)
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* [Service Layout](https://github.com/go-kratos/kratos-layout)
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## Community
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* [Wechat Group](https://github.com/go-kratos/kratos/issues/682)
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* [Discord Group](https://discord.gg/BWzJsUJ)
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* Website: [go-kratos.dev](https://go-kratos.dev)
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* QQ Group: 716486124
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## WeChat Official Account
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## Conventional commits
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提交信息的结构应该如下所示:
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```text
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<type>[optional scope]: <description>
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[optional body]
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[optional footer(s)]
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```
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提交信息应按照下面的格式:
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- fix: simply describe the problem that has been fixed
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- feat(log): simple describe of new features
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- deps(examples): simple describe the change of the dependency
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- break(http): simple describe the reasons for breaking change
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## Sponsors and Backers
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## License
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Kratos is MIT licensed. See the [LICENSE](./LICENSE) file for details.
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