fix gunicorn

Author: jruehlow

checker/src/gunicorn.conf.py

@@ -1,7 +1,7 @@
 import multiprocessing
 
 worker_class = "uvicorn.workers.UvicornWorker"
-workers = max(1, multiprocessing.cpu_count()*2)
+workers = max(1, multiprocessing.cpu_count() - 1)
 bind = "0.0.0.0:8000"
 timeout = 90
 keepalive = 3600