package main import ( "github.com/sirupsen/logrus" prefixed "github.com/x-cray/logrus-prefixed-formatter" ) var log = logrus.New() func init() { formatter := new(prefixed.TextFormatter) formatter.FullTimestamp = true // Set specific colors for prefix and timestamp formatter.SetColorScheme(&prefixed.ColorScheme{ PrefixStyle: "blue+b", TimestampStyle: "white+h", }) log.Formatter = formatter log.Level = logrus.DebugLevel } func main() { log.WithFields(logrus.Fields{ "prefix": "main", "animal": "walrus", "number": 8, }).Debug("Started observing beach") // Or you can simply add prefix in square brackets within message itself log.WithFields(logrus.Fields{ "animal": "walrus", "size": 10, }).Debug("[main] A group of walrus emerges from the ocean") // Warning message log.WithFields(logrus.Fields{ "omg": true, "number": 122, }).Warn("[main] The group's number increased tremendously!") // Information message log.WithFields(logrus.Fields{ "prefix": "sensor", "temperature": -4, }).Info("Temperature changes") }