logger

type Fields = map[string]interface{}

type Logger interface {
	Debug(args ...interface{})
	Debugf(format string, args ...interface{})
	Info(args ...interface{})
	Infof(format string, args ...interface{})
	Warn(args ...interface{})
	Warnf(format string, args ...interface{})
	Error(args ...interface{})
	Errorf(format string, args ...interface{})
	Panic(args ...interface{})
	Panicf(format string, args ...interface{})
	Fatal(args ...interface{})
	Fatalf(format string, args ...interface{})
	Trace(args ...interface{})
	Tracef(format string, args ...interface{})
	WithFields(fields Fields) Logger
}

type LogrusConfig struct {
	// one of: panic, fatal, error, info, debug, trace
	LogLevel string `env:"SVC_LOG_LEVEL"`
	// one of: pretty, json
	LogFormat string `env:"SVC_LOG_FORMAT"`
}

type LogrusLogger struct {
	*logrus.Entry
}