code: func setupEnvironmentVariables(a []string) map[string]string {
  	r := make(map[string]string)
  	for _, s := range a {
  		arr := strings.SplitN(s, "=", 2)
  		if len(arr) == 2 {
  			r[arr[0]] = arr[1]
  		}
  	}
  	return r
  }
docs: // setupEnvironmentVariables converts a string array of environment variables
  // into a map as required by the HCS. Source array is in format [v1=k1] [v2=k2] etc.