demo/pkg/log.go

package pkg

import "go.uber.org/zap"

func InitLog() *zap.Logger {

	config := zap.NewDevelopmentConfig()
	config.OutputPaths = append(config.OutputPaths, "logfile.log")
	logger, err := config.Build()
	if err != nil {
		panic("Error creating config: " + err.Error())
	}

	zap.ReplaceGlobals(logger)
	return logger
}