diff --git a/confs/global/nginx.conf b/confs/global/nginx.conf
index 9e22c2a..eadfeac 100644
--- a/confs/global/nginx.conf
+++ b/confs/global/nginx.conf
@@ -12,8 +12,8 @@ load_module /usr/lib/nginx/modules/ngx_http_brotli_static_module.so;
 # PID file
 pid /tmp/nginx.pid;
 
-# worker number = CPU core(s)
-worker_processes auto;
+# worker number (default = auto)
+worker_processes {{ WORKER_PROCESSES }};
 
 # faster regexp
 pcre_jit on;
diff --git a/settings.json b/settings.json
index f7b35e2..ccfc4e9 100644
--- a/settings.json
+++ b/settings.json
@@ -1313,6 +1313,15 @@
                 "label": "worker_connections directive",
                 "regex": "^[0-9]+$",
                 "type": "text"
+            },
+            {
+                "context": "global",
+                "default": "auto",
+                "env": "WORKER_PROCESSES",
+                "id": "worker-processes",
+                "label": "worker_processes directive",
+                "regex": "^(auto|[0-9]+)$",
+                "type": "text"
             }
         ]
     },