text: import os
  from os.path import isdir
  DEFAULT_MODULE_LOCATIONS = [("app.main", "/app/app/main.py"), ("main", "/app/main.py")]
  DEFAULT_GUNICORN_CONF = [(None, "/app/gunicorn_config.py"), (None, "/app/startup/gunicorn_config.py")]
  
  
  def get_location(pot):
      for i in pot:
          if not isdir(i[1]):
              continue
      # Last record will be "defauilt"
      return i[0] if i[0] else i[1]
  
  
  if __name__ == "__main__":
      MODULE_NAME = os.getenv("MODULE_LOCATION", get_location(DEFAULT_MODULE_LOCATIONS))
      VARIABLE_NAME = os.getenv("VARIABLE_NAME", "app")
      APP_MODULE = os.getenv("APP_MODULE", f"{MODULE_NAME}:{VARIABLE_NAME}")
      GUNICORN_CONF = os.getenv("GUNICORN_CONF", get_location(DEFAULT_GUNICORN_CONF))
      OPTIONS = [
          "--preload",
          "-k",
          "uvicorn.workers.UvicornWorker",
          "-c",
          f"{GUNICORN_CONF} {APP_MODULE}"
      ]
  
      # Set envs
      os.putenv("VARIABLE_NAME", VARIABLE_NAME)
      os.putenv("APP_MODULE", APP_MODULE)
      os.putenv("GUNICORN_CONF", GUNICORN_CONF)
  
      os.system(f"gunicorn -k uvicorn.workers.UvicornWorker -c {GUNICORN_CONF} {APP_MODULE}")
  