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README：
Polaris-go is golang SDK for Polaris. Polaris is an operation centre that supports multiple programming languages, with high compatibility to different application framework.
Polaris-go provide features listed as below:
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Service instance registration, and health check
Provides API on/offline registration instance information, with regular report to inform caller server's healthy status.
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Service discovery
Provides multiple API, for users to get a full list of server instance, or get one server instance after route rule filtering and loadbalancing, which can be applied to srevice invocation soon.
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Service circuitbreaking
Provide API to report the invocation result, and conduct circuit breaker instance/group insolation based on collected data, eventually recover when the system allows.
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Service ratelimiting
Provides API for applications to conduct quota check and deduction, supports rate limit policies that are based on server level and port.
polaris-go can be referenced by go mod, user can add dependency to go.mod file
go get -u github.com/polarismesh/polaris-goAPI quick start guide，can reference：QuickStart
A polaris-examples module is included in our project for you to get started with polaris-go quickly. It contains an example, and you can refer to the readme file in the example project for a quick walkthrough.
Developers usually use HTTP or RPC frameworks to develop distributed service. Polaris SDK is already integrated into some development frameworks. If using these frameworks, you can enable Polaris Service Governance functions without using Polaris SDK directly.