Also make the number of workers configurable

gunicorn.conf.py

@@ -4,8 +4,7 @@ import os
 chdir = f'{os.environ["INSTALL_DIR"]}/pvs_instance/'
 bind = ':80'
 
-# workers
-workers = 8
+# workers (see also ./run-httpd.sh for dynamic configs)
 max_requests = 10
 max_requests_jitter = 3
 worker_class = 'sync'

run-httpd.sh

@@ -2,6 +2,7 @@
 
 
 DEBUG=${DEBUG:="false"}
+WORKERS=${WORKERS:=8}
 WORKER_TIMEOUT=${WORKER_TIMEOUT:=120}
 
 
@@ -10,5 +11,10 @@ if [[ "$DEBUG" = true ]] ; then
     python3 /var/www/pvs/dev/pvs_instance/manage.py runserver 0.0.0.0:80
 else
     echo "Running gunicorn"
-    exec gunicorn --config /opt/core/gunicorn.conf.py pvs_instance.wsgi:application --timeout "${WORKER_TIMEOUT}" 2>&1
+    exec \
+        gunicorn \
+        --config /opt/core/gunicorn.conf.py pvs_instance.wsgi:application \
+        --timeout "${WORKER_TIMEOUT}" \
+        --workers "${$WORKERS}" \
+        2>&1
 fi