awesome-go

golang.md

Popular library

package.envconfig

github.com/kelseyhightower/envconfig

// first, define the structure
type CustomConfig struct {
    Targets []string `envconfig:"TARGETS" default:"SOMETHING"`
    Timeout time.Duration `envconfig:"TIMEOUT"`
}

// load the config
var conf CustomConfig
envconfig.Load(&conf)
envconfig.LoadWithPrefix("PREFIX", &conf)

func loadConfig(conf interface{}){
    if err := envconfig.Process("prefix", conf); err != nil {
        ...
    }
}