allow manual tokens and threads

gunicorn_starter.sh

@@ -8,4 +8,12 @@ if [ -z "$PORT" ]; then
   PORT=80
 fi
 
-gunicorn app:app -w 1 --threads $[$(nproc) * 2 + 1] -b $HOST:$PORT
+if [-z "$WORKERS" ]; then
+  WORKERS=1
+fi
+
+if [-z "$THREADS" ]; then
+  THREADS=$[$(nproc) * 2 + 1]
+fi
+
+gunicorn app:app -w "$WORKERS" --threads "$THREADS" -b $HOST:$PORT