Fix: Correct Celery stderr logging path.

Author: bjones1

docker/docker_tools_misc.py

@@ -102,7 +102,7 @@ def _start_servers(dev: bool) -> None:
         # This much match the address in `./nginx/sites-available/runestone.template`.
         f"--bind unix:/run/fastapi.sock {'--reload ' if dev else ''} "
         # If logging to a file, then Gunicorn tries to append to it (open the file with a mode of "a+"). This fails if the underlying "file" is actually ``stdout`` or ``stderr`` with the error ``io.UnsupportedOperation: File or stream is not seekable.``. So, redirect these instead.
-        "> /var/log/celery/access.log 2> /var/log/error.log &",
+        "> /var/log/celery/access.log 2> /var/log/celery/error.log &",
         "service nginx start",
         "poetry run gunicorn -D --config $RUNESTONE_PATH/docker/gunicorn_config/web2py_config.py &",
         cwd=f"{env.RUNESTONE_PATH}/docker/gunicorn_config",