text: #!/usr/bin/env python3
  import fileinput
  import os
  
  print("setup environment has started")
  
  messageEndpoint = os.environ['MANDO_MESSAGE']
  trackingID = os.environ["MANDO_GA"]
  
  successFile = "util/success.js"
  with fileinput.FileInput(successFile, inplace=True) as file:
      for line in file:
          print(line.replace("MANDO_MESSAGE", messageEndpoint), end='')
  
  appFile="src/helper/googleAnalytics.js"
  with fileinput.FileInput(appFile, inplace=True) as file:
      for line in file:
          print(line.replace("MANDO_GA", trackingID), end='')
  
  print("setup environment has finished")