Logback configuration for rolling files

logback.groovy

import static ch.qos.logback.classic.Level.*
import ch.qos.logback.classic.encoder.PatternLayoutEncoder
import ch.qos.logback.core.rolling.RollingFileAppender
import ch.qos.logback.core.rolling.TimeBasedRollingPolicy
import ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP

appender("FILE", RollingFileAppender) {
    file = "logs/server.log"
    append = true
    encoder(PatternLayoutEncoder) { pattern = "%d{HH:mm:ss.SSS} %-5level %logger{60} - %msg%n" }
    rollingPolicy(TimeBasedRollingPolicy) {
        fileNamePattern = "logs/server.%d{yyyy-MM-dd}.%i.log"
        maxHistory = 100
        timeBasedFileNamingAndTriggeringPolicy(SizeAndTimeBasedFNATP) { maxFileSize = "10MB" }
    }
}

root(INFO, ["FILE"])