proxy_http_version 1.1;
# Clearing the Connection header is required for keepalives from the load balancer
# http://nginx.org/en/docs/http/ngx_http_upstream_module.html#keepalive
proxy_set_header Connection "";
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_next_upstream off;
proxy_redirect off;