Forward gunicorn requests via http 1.1

nginx/nginx-ssl.conf.template

@@ -64,6 +64,7 @@ http {
     }
 
     location / {
+      proxy_http_version 1.1;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 
       # enable this if and only if you use HTTPS

nginx/nginx.conf.template

@@ -53,6 +53,7 @@ http {
     }
 
     location / {
+      proxy_http_version 1.1;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 
       # enable this if and only if you use HTTPS