### Default server path #########
server.port=8080
### Context root path ########
server.contextPath=/home

import org.springframework.boot.context.embedded.ConfigurableEmbeddedServletContainer;
import org.springframework.boot.context.embedded.EmbeddedServletContainerCustomizer;
import org.springframework.stereotype.Component;
@Component
public class AppContainerCustomizer implements EmbeddedServletContainerCustomizer {
 
    @Override
    public void customize(ConfigurableEmbeddedServletContainer container) {
 
        container.setPort(8080);
        container.setContextPath("/home");
 
    }
}

java -jar -Dserver.contextPath=/home spring-boot-demo.jar