Viper Article - Loading Config from Consul

main-consul.go

	// Load Config
	cfg.AddConfigPath("./conf")
	cfg.SetEnvPrefix("app")
	cfg.AllowEmptyEnv(true)
	cfg.AutomaticEnv()
	err := cfg.ReadInConfig()
	if err != nil {
		switch err.(type) {
		case viper.ConfigFileNotFoundError:
			log.Warnf("No Config file found, loaded config from Environment - Default path ./conf")
		default:
			log.Fatalf("Error when Fetching Configuration - %s", err)
		}
	}

	// Load Config from Consul
	if cfg.GetBool("use_consul") {
		cfg.AddRemoteProvider("consul", cfg.GetString("consul_addr"), cfg.GetString("consul_keys_prefix"))
		cfg.SetConfigType("json")
		err = cfg.ReadRemoteConfig()
		if err != nil {
			log.Fatalf("Error when Fetching Configuration from Consul - %s", err)
		}
	}