runtime error

Traceback (most recent call last): File "/home/user/app/app.py", line 18, in <module> api_key=os.environ['ANYSCALE_API_KEY'] File "/usr/local/lib/python3.10/os.py", line 680, in __getitem__ raise KeyError(key) from None KeyError: 'ANYSCALE_API_KEY'

Container logs: