SpringBoot Application Properties

The Spring Boot Framework comes with built-in mechanisms to use application.properties for application configuration. It is located at src/main/resources as shown in the figure below.

Spring Boot provides files that can be application.properties various properties in the file. These properties have default values. We can set one or more properties for the Spring Boot application. Spring Boot also allows us to define our own properties as needed.

The application.properties file allows us to Run applications in different environments. In short, we can use the application.properties file to perform the following operations:

Configure the Spring Boot framework Define our application custom configuration properties

Sample of application.properties

#Configure application name
pring.application.name　=　demoApplication
#Configure port
server.port　=　8081

In the above example, we have already configured application nameand Port. Port8081Indicates that the application is running on port 8081 running on.

YAML properties file

Spring Boot provides another file for configuring properties, called yml file. The Yaml file takes effect because there is Snake YAML jar. In addition to using the application.properties file, we can also use the application.yml file, but Yml The file should appear in the classpath.

application example.yml

spring:
application:
name:　demoApplication
server:
port:　8081

In the above example, we have already configured application nameand Port. Port8081Indicates that the application is running on port 8081 running on.

Spring Boot property categories

There are 16The categories of Spring Boot properties are as follows:

Core properties Cache properties Email properties JSON properties Data properties Transaction properties Data migration properties Integration properties Network media resources Template properties Server properties Security properties RSocket properties Executor properties DevTools properties Test properties

Application properties table

The following table provides a list of common Spring Boot properties: