Merge branch 'master' of https://github.com/HashNuke/ansible-elixir-stack

Author: HashNuke

templates/app.nginx.j2

@@ -15,6 +15,10 @@ server {
         proxy_pass http://{{ app_name }};
         proxy_set_header Host $host;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
     }
 
 }