fix: changed proxy_pass in nginx.conf

nginx/conf.d/nginx.conf

@@ -27,7 +27,7 @@ server {
     location / {
         proxy_set_header X-Forwarded-For $remote_addr;
         proxy_set_header Host $http_host;
-        proxy_pass http://localhost:4000;
+        proxy_pass http://client:4000;
         proxy_http_version 1.1;
         proxy_set_header Upgrade $http_upgrade;
         proxy_set_header Connection 'upgrade';