code: func NewEnvConfigurationSource() core.ConfigSource {
  	envConfigSource := new(EnvConfigurationSource)
  	envConfigSource.priority = envVariableSourcePriority
  	config, err := envConfigSource.pullConfigurations()
  	if err != nil {
  		openlogging.GetLogger().Error("failed to initialize environment configurations: " + err.Error())
  		return envConfigSource
  	}
  	envConfigSource.Configurations = config
  
  	return envConfigSource
  }
docs: //NewEnvConfigurationSource configures a new environment configuration