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< img src = "doc/Nacos_Logo.png" width = "50%" syt height = "50%" / >
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# Nacos: Dynamic *Na*ming and *Co*nfiguration *S*ervice
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-------
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## What does it do
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Nacos (official site: [nacos.io ](https://nacos.io )) is an easy-to-use platform designed for dynamic service discovery and configuration and service management. It helps you to build cloud native applications and microservices platform easily.
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Service is a first-class citizen in Nacos. Nacos supports almost all type of services， ， Spring Cloud RESTFul service ](https://nacos.io/docs/latest/ecology/use-nacos-with-spring-cloud/ ) or [Kubernetes service ](https://nacos.io/docs/latest/quickstart/quick-start-kubernetes/ ).
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Nacos provides four major functions.
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* **Service Discovery and Service Health Check**
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Nacos makes it simple for services to register themselves and to discover other services via a DNS or HTTP interface. Nacos also provides real-time health checks of services to prevent sending requests to unhealthy hosts or service instances.
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* **Dynamic Configuration Management**
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Dynamic Configuration Service allows you to manage configurations of all services in a centralized and dynamic manner across all environments. Nacos eliminates the need to redeploy applications and services when configurations are updated, which makes configuration changes more efficient and agile.
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* **Dynamic DNS Service**
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Nacos supports weighted routing, making it easier for you to implement mid-tier load balancing, flexible routing policies, flow control, and simple DNS resolution services in the production environment within your data center. It helps you to implement DNS-based service discovery easily and prevent applications from coupling to vendor-specific service discovery APIs.
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* **Service and MetaData Management**
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Nacos provides an easy-to-use service dashboard to help you manage your services metadata, configuration, kubernetes DNS, service health and metrics statistics.
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## Quick Start
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It is super easy to get started with your first project.
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### Deploying Nacos on cloud
You can deploy Nacos on cloud, which is the easiest and most convenient way to start Nacos.
Use the following [Nacos deployment guide ](https://cn.aliyun.com/product/aliware/mse?spm=nacos-website.topbar.0.0.0 ) to see more information and deploy a stable and out-of-the-box Nacos server.
### Start by the provided startup package
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#### Step 1: Download the binary package
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You can download the package from the [latest stable release ](https://github.com/alibaba/nacos/releases ).
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Take release `nacos-server-1.0.0.zip` for example:
```sh
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unzip nacos-server-1.0.0.zip
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cd nacos/bin
```
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#### Step 2: Start Server
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On the **Linux/Unix/Mac** platform, run the following command to start server with standalone mode:
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```sh
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sh startup.sh -m standalone
```
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On the **Windows** platform, run the following command to start server with standalone mode. Alternatively, you can also double-click the `startup.cmd` to run NacosServer.
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```
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startup.cmd -m standalone
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```
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For more details, see [quick-start. ](https://nacos.io/docs/latest/quickstart/quick-start/ )
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## Quick start for other open-source projects:
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* [Quick start with Nacos command and console ](https://nacos.io/docs/latest/quickstart/quick-start/ )
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* [Quick start with dubbo ](https://nacos.io/docs/latest/ecology/use-nacos-with-dubbo/ )
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* [Quick start with spring cloud ](https://nacos.io/docs/latest/ecology/use-nacos-with-spring-cloud/ )
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* [Quick start with kubernetes ](https://nacos.io/docs/latest/quickstart/quick-start-kubernetes/ )
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## Documentation
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You can view the full documentation from the [Nacos website ](https://nacos.io/docs/latest/overview/ ).
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You can also read this online eBook from the [NACOS ARCHITECTURE & PRINCIPLES ](https://nacos.io/docs/ebook/kbyo6n/ ).
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All the latest and long-term notice can also be found here from [GitHub notice issue ](https://github.com/alibaba/nacos/labels/notice ).
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## Contributing
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Contributors are welcomed to join Nacos project. Please check [CONTRIBUTING ](./CONTRIBUTING.md ) about how to contribute to this project.
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### How can I contribute?
* Take a look at issues with tags marked [`good first issue` ](https://github.com/alibaba/nacos/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22 ) or [`contribution welcome` ](https://github.com/alibaba/nacos/issues?q=is%3Aopen+is%3Aissue+label%3A%22contribution+welcome%22 ).
* Answer questions on [issues ](https://github.com/alibaba/nacos/issues ).
* Fix bugs reported on [issues ](https://github.com/alibaba/nacos/issues ), and send us a pull request.
* Review the existing [pull request ](https://github.com/alibaba/nacos/pulls ).
* Improve the [website ](https://github.com/nacos-group/nacos-group.github.io ), typically we need
* blog post
* translation on documentation
* use cases around the integration of Nacos in enterprise systems.
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## Other Related Project Repositories
* [nacos-spring-project ](https://github.com/nacos-group/nacos-spring-project ) provides the integration functionality for Spring.
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* [nacos-group ](https://github.com/nacos-group ) is the repository that hosts the eco tools for Nacos, such as SDK, synchronization tool, etc.
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* [spring-cloud-alibaba ](https://github.com/spring-cloud-incubator/spring-cloud-alibaba ) provides the one-stop solution for application development over Alibaba middleware which includes Nacos.
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## Contact
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* [Gitter ](https://gitter.im/alibaba/nacos ): Nacos's IM tool for community messaging, collaboration and discovery.
* [Twitter ](https://twitter.com/nacos2 ): Follow along for latest nacos news on Twitter.
* [Weibo ](https://weibo.com/u/6574374908 ): Follow along for latest nacos news on Weibo (Twitter of China version).
* [Nacos Segmentfault ](https://segmentfault.com/t/nacos ): Get latest notice and prompt help from Segmentfault.
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* Email Group:
* users-nacos@googlegroups.com: Nacos usage general discussion.
* dev-nacos@googlegroups.com: Nacos developer discussion (APIs, feature design, etc).
* commits-nacos@googlegroups.com: Commits notice, very high frequency.
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* Join us from DingDing(Group 1: 21708933(full), Group 2: 30438813(full), Group 3: 31222241(full), Group 4: 12810027056).
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### DingDing Group QR Code
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### DingDing MCP Group QR Code
### WeChat Group QR Code
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## Enterprise Service
If you need Nacos enterprise service support, or purchase cloud product services, you can join the discussion by scanning the following DingTalk group. It can also be directly activated and used through the microservice engine (MSE) provided by Alibaba Cloud.
https://cn.aliyun.com/product/aliware/mse?spm=nacos-website.topbar.0.0.0
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< img src = "https://img.alicdn.com/imgextra/i3/O1CN01RTfN7q1KUzX4TcH08_!!6000000001168-2-tps-864-814.png" width = "500" >
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## Download
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- [Nacos Official Website ](https://nacos.io/download/nacos-server )
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- [GitHub Release ](https://github.com/alibaba/nacos/releases )
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## Who is using
These are only part of the companies using Nacos, for reference only. If you are using Nacos, please [add your company here ](https://github.com/alibaba/nacos/issues/273 ) to tell us your scenario to make Nacos better.
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