What are golang's microservices?
Microservices in golang is a software architecture style, a variant of the service-oriented architecture style. It advocates dividing a single application into a set of small services, and the services coordinate with each other and interact with each other. Cooperate to provide users with ultimate value. Each service runs in its own independent process, and services use lightweight communication mechanisms to communicate with each other. Each service is built around specific businesses and can be independently deployed to production environments, production-like environments, etc.
The operating environment of this tutorial: Windows 10 system, GO version 1.20.1, Dell G3 computer.
What are microservices
Microservices Architecture is a software architecture style, a variant of the service-oriented architecture (SOA) architecture style , which advocates dividing a single application into a set of small services, which coordinate and cooperate with each other to provide users with ultimate value. Each service runs in its own independent process, and services communicate with each other using a lightweight communication mechanism (usually a RESTful API based on HTTP). Each service is built around specific businesses and can be independently deployed to production environments, production-like environments, etc. In addition, a unified and centralized service management mechanism should be avoided as much as possible. For a specific service, appropriate languages and tools should be selected to build it based on the context.
Microservices (or microservices architecture) is a cloud-native architectural approach in which a single application is composed of many smaller components or services that are loosely coupled and independently deployable. These services typically have their own stack, including databases and data models;
communicate with each other through a combination of REST APIs, event streams, and message brokers; they are organized by business capabilities, and the lines that separate services are often called boundary context. While much of the discussion about microservices revolves around architectural definitions and characteristics, their value can be understood more generally through a fairly simple business and organizational benefit: code can be updated more easily. Teams can use different stacks for different components. Components can be scaled independently of each other, reducing the waste and cost associated with having to scale the entire application because a single feature may face excessive load.
Why do we use microservices?
This architecture helps us describe the entire application in parts, small modules, making it easier to understand, develop, and test; it helps us treat each service as independent and clear Services specifying their purpose. Furthermore, it helps to maintain the consistency of the project's architecture (there is little difference between the originally designed architecture and the actual developed architecture). It can also deploy and expand services by establishing different independent teams, so that each team can develop in parallel. Refactoring code is easier in this architecture. It also supports continuous delivery and deployment processes (CI/CD).
Why use go to build microservices?
Before delving into this issue. First, let me talk about the advantages of Golang. Although Golang is a new language, it has many advantages compared to other languages. Programs written in Golang are more robust. They are able to withstand the heavy load that programs build using running services. Golang is more suitable for multi-processor systems and web applications. Additionally, it easily integrates with GitHub to manage decentralized code packages. The usefulness of microservice architecture is mostly reflected when the program needs to be scalable. If there is a language that is fully standards compliant, it is Golang. The reason is that it inherits from the C-family programming languages, and components written in Golang are easier to combine with components written in other languages in the same family.
Although Go comes from the C-family, it is more efficient than C/C. It has a simpler syntax, somewhat like Python. Its syntax is stable and has not changed much since its first public release, which means it is backwards compatible. This gives golang an upper hand compared to other languages. In addition, Golang's performance is much higher than python and java. The icing on the cake is that it is as simple as C/C and is easy to read and understand, making it an excellent choice for developing microservice applications.
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