gunicorn/gevent version mismatch on pygeoapi Docker Image:

[justb4]

Description
See geopython/demo.pygeoapi.io#76 where error first reported.

Steps to Reproduce
pull latest docker image, try to start.

Expected behavior
clean startup

Screenshots/Tracebacks

There is now a constant restart of the above containers (who share the same image).
But the error looks more internal, a version mismatch due to some upgrade, so looks like an issue for pygeoapi itself:

$ docker logs --follow pygeoapi_master

START /entrypoint.sh
Default config in /pygeoapi/local.config.yml
Trying to generate openapi.yml
/usr/lib/python3/dist-packages/pyproj/crs/crs.py:1293: UserWarning: You will likely lose important projection information when converting to a PROJ string from another format. See: https://proj.org/faq.html#what-is-the-best-format-for-describing-coordinate-reference-systems
  proj = self._crs.to_proj4(version=version)
Generating /pygeoapi/local.openapi.yml
Done
openapi.yml generated continue to pygeoapi
Starting gunicorn name=pygeoapi on 0.0.0.0:80 with 4 workers and SCRIPT_NAME=/master

Error: class uri 'gevent' invalid or not found: 

[Traceback (most recent call last):
  File "/venv/lib/python3.12/site-packages/gunicorn/util.py", line 110, in load_class
    mod = importlib.import_module('.'.join(components))
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.12/importlib/__init__.py", line 90, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1387, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1360, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1331, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 935, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 995, in exec_module
  File "<frozen importlib._bootstrap>", line 488, in _call_with_frames_removed
  File "/venv/lib/python3.12/site-packages/gunicorn/workers/ggevent.py", line 18, in <module>
    raise RuntimeError("gevent worker requires gevent 24.10.1 or higher")
RuntimeError: gevent worker requires gevent 24.10.1 or higher
]

Environment

• OS: Noble Docker image
• Python version: 3.12
• pygeoapi version: latest

Additional context
See geopython/demo.pygeoapi.io#76 where error first reported.

Quick analysis: the version mismatch is probably caused by a mix of installments for gunicorn and gevents in the pygeoapi Dockerfile. A mix of a Ubuntu/Debian package gevent 24.2.1 and a pypi install gunicorn 24.1.1. The latter was updated 4 days ago, just inbetween two pygeoapi build/deploys....

[tomkralidis]

Thanks @justb4 for the analysis. Fix in #2222, but in the longer term we should bring parity to gunicorn and gevent from either Ubuntu or PyPI. @kalxas / @justb4 any recommendations?

[webb-ben]

Downgrading / pinning gunicorn seems to work just as well as adding gevent to the requirements.txt. However doing so ensures that the debian install will not be usable

[tomkralidis]

Good point. The context here is to fix those downstream who are tied to geopython/pygeoapi:latest as first pass. debian curation would happen closer to release.

[justb4]

Thanks @kalxas, all (3) pyegeoapi:latest-based services on 'demo' are auto-redeployed ok!
Propose to keep this issue open, for a more future-proof solution.