${appName} logs/${appName}_%d{yy-MM-dd} 7 [%-5level] %d{HH:mm:ss.SSS} [%thread] %logger{36} - %msg%n ${charset} [%-5level] %d{HH:mm:ss.SSS} [%thread] %logger{36} - %msg%n ${charset} logs/${appName}_%d{yy-MM-dd}.json 7 UTC { "ip": "${ip}", "app": "${appName}", "level": "%level", "thread": "%thread", "logger": "%logger{36}", "message": "%msg" }