Spring Boot log4j2 configuration example

org.springframework.boot
    spring-boot-starter-parent
    2.0.2.RELEASEUTF-8UTF-81.8org.springframework.boot
        spring-boot-starter-web
        org.springframework.boot
                spring-boot-starter-logging
            org.springframework.boot
        spring-boot-starter-log4j2
    

%d{yyyy-MM-dd‘T‘HH:mm:ss.SSSZ} %p %m%nc:/temp

package com.howtodoinjava.app;
 
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.context.ApplicationContext;
 
@SpringBootApplication
public class Application extends SpringBootServletInitializer {
 
    private static final Logger LOGGER = LogManager.getLogger(Application.class);
 
    public static void main(String[] args)
    {
        ApplicationContext ctx = SpringApplication.run(Application.class, args);
         
        LOGGER.info("Info level log message");
        LOGGER.debug("Debug level log message");
        LOGGER.error("Error level log message");
    }
}