Briefly understand Spring Boot and its functions (pictures and texts)

This article brings you a brief understanding of Spring Boot and its functions (pictures and texts). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

With the rapid development of the Internet, the huge user group and rapid changes in demand have become pain points for traditional architecture.

In this case, from the perspective of system architecture, how to build a flexible and easily scalable system to quickly respond to changes in demand, and at the same time, as the number of users increases, how to ensure the stability of the system , high availability, scalability, etc., have become challenges faced by system architecture.

In order to solve these problems, the microservice architecture emerged as the times require. Its essence lies in distribution and decentralization.

Microservice architecture is an architectural pattern or an architectural style. It advocates splitting the traditional one-stop application (bottom left picture) into services (bottom right picture) according to the business and completely removing it. Coupling, each service provides a single business function, a service only does one thing and runs in its independent process.

Each service coordinates and cooperates with each other to provide users with the ultimate value. A lightweight communication mechanism is used between services (usually a RESTful API based on http).

Each service is built around a specific business and can be independently deployed to production environments, production-like environments, etc. Different services can also use different databases and data stores.

In addition, a unified and centralized service management mechanism should be avoided as much as possible. For a specific service, the appropriate language and tools should be selected based on the business context. It is built so that there can be a very lightweight centralized management to coordinate these services, and different languages ​​can be used to develop these services.

When Spring Boot was born, the concept of microservices was in the brewing stage. The research and development of Spring Boot integrated the concept of microservice architecture. It is the technology for the optimal implementation of microservice architecture in the Java field and provides technology for microservice architecture. support. What are the advantages of Spring Boot?

Good genes: Spring Boot was born with Spring 4.0 and inherited the excellent genes of the Spring framework.

Simplify coding: Traditional Spring web projects need to introduce a bunch of related dependencies, but in Spring Boot, we only need to introduce a starter-web dependency to quickly create web applications.

Simplified configuration: Traditional Spring projects were once considered "configuration hell", while Spring Boot mostly uses Java Config to simplify the tedious configuration.

Simplified deployment: Spring Boot projects do not need to deploy tomcat on the server, because Spring Boot has embedded tomcat. We only need to package the project into a jar package and start it with one click through the command.

Simplified monitoring: You can introduce the spring-boot-start-actuator dependency and directly use the REST method to obtain the runtime performance parameters of the process to achieve the purpose of monitoring. It can also be used with Spring Cloud.

Microservices are the future development trend. Using Spring Boot to develop projects will subvert the traditional development model and greatly improve development efficiency. It can be said that if you have developed projects using Spring Boot, you will not want to go back to The original development method.

Look at Spring’s official positioning of Spring Boot: Build Anything, Build anything.

Spring Boot is designed to be up and running as quickly as possible with minimal up-front Spring configuration. At the same time, let’s also take a look at the official positioning of the latter two:

SpringCloud: Coordinate Anything, coordinate anything;

SpringCloud Data Flow: Connect everything, connect anything.

Taking a closer look, the Spring official website’s positioning of Spring Boot, Spring Cloud and Spring Cloud Data Flow is very interesting. At the same time, it can also be seen that the official attaches great importance to these three technologies. What other reasons do we have? Why not study?

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