example.go

package main

import "go.uber.org/zap"

func main() {
	debug := false // should come from cli flags or something

	log, err := zap.NewProduction()
	if err != nil {
		panic(err)
	}

	// If we are in debug mode, we should use the more readable dev logger.
	if debug {
		devLogger, err := zap.NewDevelopment()
		if err != nil {
			panic(err)
		}
		log = devLogger
	}
}