Upgrade proxy connection dev

deployment/nginx.conf

@@ -1,5 +1,8 @@
 server {
     listen 8080;
+    error_log /var/log/nginx/error.log notice;
+    rewrite_log on;
+
     
     location /assets {
              alias /app/assets;
@@ -33,14 +36,23 @@ server {
         proxy_set_header Host $host;
         proxy_buffering off;
     }
-    
     location /dev {
+        rewrite_log on;
         rewrite /dev/(.*) /$1 break;
         rewrite ^/dev$ /dev/ permanent;
+        proxy_set_header Host $host;
+        proxy_set_header Proxy "";
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "Upgrade";
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarde-Proto $scheme;
+        
+        
+        proxy_buffering off;
+
         proxy_pass http://theia:3000;
         #proxy_redirect / /etherpad/;
-	proxy_set_header Host $host;
-	proxy_buffering off;
             }
     
     location / {