add hash directives to stream block

Author: sarthyparty

internal/mode/static/nginx/conf/nginx.conf

@@ -39,4 +39,10 @@ http {
 
 stream {
 	include /etc/nginx/stream-conf.d/*.conf;
+
+	variables_hash_bucket_size 512;
+    variables_hash_max_size 1024;
+
+    map_hash_max_size 2048;
+    map_hash_bucket_size 256;
 }