What is Spring Boot?

Spring Boot is a sub-project of Spring open source organization. It is a one-stop solution for Spring components. It mainly simplifies the difficulty of using Spring, saves heavy configuration, and provides various initiators for developers to get started quickly.

Official site: the projects. Spring. IO/spring – the boot… GitHub source: github.com/spring-proj…

Advantages of Spring Boot

Features

Create stand-alone Spring applications

Embed Tomcat, Jetty or Undertow directly (no need to deploy WAR files)

Provide opinionated ‘starter’ POMs to simplify your Maven configuration

Automatically configure Spring whenever possible

Provide production-ready features such as metrics, health checks and externalized configuration

Absolutely no code generation and no requirement for XML configuration

Independent operation

Spring Boot and embedded with various servlet containers, Tomcat, Jetty, etc., now no longer need to be deployed into a war package container, Spring Boot as long as the executable jar package can run independently, all dependencies are in a JAR package.
- Simplify the configuration
Spring-boot-starter-web initiators automatically depend on other components, simplifying maven configurations.

+ - org. Springframework. The boot: spring - the boot - starter - web: jar: 1.5.6. RELEASE: the compile + - Org. Springframework. The boot: spring - the boot - starter - tomcat: jar: 1.5.6. RELEASE: the compile | + - Org, apache tomcat. Embed: tomcat embed - core: jar: 8.5.16: compile | + - Org, apache tomcat. Embed: tomcat embed - el: jar: 8.5.16: compile | \ - Org, apache tomcat. Embed: tomcat embed - websocket: jar: 8.5.16: compile + - Org. Hibernate: hibernate validator: jar: 5.3.5. Final: compile | + - javax.mail. Validation: validation - API: jar: 1.1.0. Final: compile | + - org. Jboss. Logging: jboss - logging: jar: 3.3.1. Final: compile | \ - com fasterxml: classmate: jar: 1.3.3: compile \ - Org. Springframework: spring - webmvc: jar: 4.3.10. RELEASE: the compileCopy the code

Automatic configuration

Spring Boot can automatically configure beans based on classes and JAR packages in the current classpath. For example, a Spring-boot-starter-Web initiator can have web functions without other configuration.
No code generation and XML configuration

Spring Boot configuration is done without code generation and without XML configuration files, all with the help of conditional annotations, one of the core features of Spring4.x.
Application of monitoring

Spring Boot provides a series of endpoints to monitor services and applications for health checks.

Disadvantages of Spring Boot

Although It is easy to get started with Spring Boot, if you do not know its core technology and process, it will be very difficult once you encounter problems. Moreover, there are not many solutions at present, which requires a perfect process.

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What is Spring Boot?