old_contents: #!/usr/bin/env python
  
  import sys
  import os
  import imp
  
  from bottle import route, run, request
  
  mod_name = os.getenv('MOD_NAME')
  func_handler = os.getenv('FUNC_HANDLER')
  
  mod_path = '/kubeless/' + mod_name + '.py'
  
  try:
      mod = imp.load_source('lambda', mod_path)
  except ImportError:
      print("No valid module found for the name: lambda, Failed to import module")
  
  @route('/', method="GET")
  def handler():
      return getattr(mod, func_handler)()
  
  @route('/', method="POST")
  def post_handler():
      return getattr(mod, func_handler)(request)
  
  run(host='0.0.0.0', port=8080)
  
new_contents: #!/usr/bin/env python
  
  import sys
  import os
  import imp
  
  from bottle import route, run, request
  
  mod_name = os.getenv('MOD_NAME')
  func_handler = os.getenv('FUNC_HANDLER')
  
  mod_path = '/kubeless/' + mod_name + '.py'
  
  try:
      mod = imp.load_source('lambda', mod_path)
  except ImportError:
      print("No valid module found for the name: lambda, Failed to import module")
  
  @route('/', method="GET")
  def handler():
      return getattr(mod, func_handler)()
  
  @route('/', method="POST")
  def post_handler():
      return getattr(mod, func_handler)(request)
  
  @route('/healthz', method="GET")
  def healthz():
      return "OK"
  
  run(host='0.0.0.0', port=8080)
  
subject: add healthz route to python runtime