code: func DefaultConfig() *Config {
  	return &Config{
  		Consul:    DefaultConsulConfig(),
  		Dedup:     DefaultDedupConfig(),
  		Exec:      DefaultExecConfig(),
  		Syslog:    DefaultSyslogConfig(),
  		Templates: DefaultTemplateConfigs(),
  		Vault:     DefaultVaultConfig(),
  		Wait:      DefaultWaitConfig(),
  	}
  }
docs: // DefaultConfig returns the default configuration struct. Certain environment
  // variables may be set which control the values for the default configuration.