Shulou(Shulou.com)05/31 Report--

This article is about how to seamlessly migrate SpringCloud/Dubbo applications to Serverless architecture, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

The following will introduce some capabilities of SAE in micro-services. SAE products combine Serverless technology with micro-services, and naturally support the hosting and service governance of Java micro-service applications. SpringCloud/Dubbo micro-service applications can be migrated to SAE without modifying the configuration and dependency, and provide service governance capabilities. For example, tenant-based micro-service isolation environment, service list, lossless offline, outlier removal, application monitoring and call chain analysis.

Advantages of migrating to SAE

Before introducing migration, let's introduce the advantages of migrating SpringCloud/Dubbo applications to SAE:

SAE built-in registry: all users share registry components, and SAE helps users operate and maintain, which saves users' deployment and operation and maintenance costs; link encryption is performed in the process of service registration and discovery, and there is no need to worry about unauthorized service discovery.

Service governance: SAE has the concept of namespace, which is based on the logically isolated environment of micro-service tenants. Users can use different namespaces to isolate the registration, discovery and invocation of micro-services, providing service governance capabilities such as lossless offline, outlier removal and current-limited degradation.

Application monitoring: SAE provides host monitoring, exception stack analysis and distributed call link analysis for micro-service applications, which can improve the observability and diagnostic ability of micro-service applications.

Zero code modification: you can enjoy the OPS-free experience with simple access.

SpringCloud/Dubbo migration scheme

So how do you migrate SpringCloud/Dubbo applications to SAE? We only need to modify, add dependencies and configuration to deploy the application to SAE.

Dubbo applications need to add dubbo-register-nacos and nacos-client dependencies; SpringCloud applications need to add spring-cloud-starter-alibaba-nacos-discovery.

Practice of SpringCloud/Dubbo Application Migration

Spring Cloud provides a series of standards and specifications to simplify application development.

At present, the popular Spring Cloud implementations in the industry include Spring Cloud Netflix, Spring Cloud Consul, Spring Cloud Gateway, Spring Cloud Alibaba and so on.

If you are familiar with the service registration components such as Eureka, Consul, and ZooKeeper in Spring Cloud, but have not used Spring Cloud Alibaba's service registration component Nacos Discovery, then you only need to replace the service dependency and service configuration of the service registration component with Spring Cloud Alibaba Nacos Discovery without modifying any code.

Spring Cloud Alibaba Nacos Discovery also implements the standard interface and specification of Spring Cloud Registry, which is basically the same as the way you used Spring Cloud access service to register and discover.

The above is how to seamlessly migrate SpringCloud/Dubbo applications to Serverless architecture. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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