diff --git a/public/v1/apps/nginx-reverse-proxy.json b/public/v1/apps/nginx-reverse-proxy.json
index 735c5d7..4feaf0f 100644
--- a/public/v1/apps/nginx-reverse-proxy.json
+++ b/public/v1/apps/nginx-reverse-proxy.json
@@ -8,8 +8,8 @@
                 "image": "caprover/nginx-reverse-proxy:latest",
                 "restart": "always",
                 "environment": {
-                    "UPSTREAM_HTTP_ADDRESS": "$$UPSTREAM_HTTP_ADDRESS",
-                    "CLIENT_MAX_BODY_SIZE": "$$CLIENT_MAX_BODY_SIZE"
+                    "UPSTREAM_HTTP_ADDRESS": "$$cap_upstream_http_address",
+                    "CLIENT_MAX_BODY_SIZE": "$$cap_max_body_size"
                 }
             }
         }
@@ -19,17 +19,17 @@
         "end": "Reverse Proxy is deployed and available as $$cap_appname"
     },
     "variables": [{
-        "id": "$$UPSTREAM_HTTP_ADDRESS",
+        "id": "$$cap_upstream_http_address",
         "label": "Upstream address",
         "description": "For example use https://caprover.com to forward all request to CapRover.\n If you're forwarding http requests to a CapRover internal app use http://srv-captain--yourappnamehere or if you want a particular port, use http://srv-captain--yourappnamehere:8080",
         "defaultValue": "",
         "validRegex": "/^(http:\\/\\/|https:\\/\\/)\\S*$/"
     }, {
-        "id": "$$CLIENT_MAX_BODY_SIZE",
+        "id": "$$cap_max_body_size",
         "label": "Client max body size",
         "description": "Sets the maximum allowed size of the client request body, specified in the “Content-Length” request header field. If the size in a request exceeds the configured value, the 413 (Request Entity Too Large) error is returned to the client. Please be aware that browsers cannot correctly display this error. Setting size to 0 disables checking of client request body size.",
         "defaultValue": "256M",
-        "validRegex": "/^(http:\\/\\/|https:\\/\\/)\\S*$/"
+        "validRegex": "/^\\d+M$/"
     }]
 
 }