Command-Line Arguments in Spring Boot
Maven Command-Line Arguments
Spring Boot 1.x
- For Spring Boot 1.x, we can pass the arguments to our application using -Drun.arguments:
mvn spring-boot:run -Drun.arguments=--customArgument=custom
- multiple parameters
mvn spring-boot:run -Drun.arguments=--spring.main.banner-mode=off,--customArgument=custom
Spring Boot 2.x
mvn spring-boot:run -Dspring-boot.run.arguments=--spring.main.banner-mode=off,--customArgument=custom
Gradle Command-Line Arguments
bootRun {
if (project.hasProperty('args')) {
args project.args.split(',')
}
}
- command-line arguments
./gradlew bootRun -Pargs=--spring.main.banner-mode=off,--customArgument=custom
Overriding System Properties
- application.properties
server.port=8081
spring.application.name=SampleApp
- Spring Boot 1.x
mvn spring-boot:run -Drun.arguments=--server.port=8085 - Spring Boot 2.x
mvn spring-boot:run -Dspring-boot.run.arguments=--server.port=8085
Accessing Command-Line Arguments
@SpringBootApplication
public class Application extends SpringBootServletInitializer {
public static void main(String[] args) {
for(String arg:args) {
System.out.println(arg);
}
SpringApplication.run(Application.class, args);
}
}