nginx.conf

user simplified simplified;
worker_processes 1;
pid /var/run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;
daemon off;

events {
    worker_connections 1024;
    # set to 'on' if worker_processes > 1
    accept_mutex off;   
}

http {
    sendfile                on;
    tcp_nopush              on;
    tcp_nodelay             on;
    keepalive_timeout       30;
    types_hash_max_size     2048;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    log_format extended '[$time_local] $status REQUEST: "$request" REFERER: "$http_referer" '
        'FWD_FOR "$http_x_forwarded_for" PROXY_HOST: "$proxy_host" UPSTREAM_ADDR: "$upstream_addr"';
    access_log /var/log/nginx/access.log extended;
    error_log /var/log/nginx/error.log error;

    gzip on;

    upstream circ_mngr_server {
        # fail_timeout=0 means always retry an upstream even if it failed
        # to return a good HTTP response
        server 127.0.0.1:8000 fail_timeout=0;
    }

    server {
        listen 80 deferred;
        client_max_body_size 75M;
        keepalive_timeout 5;

        location = /favicon.ico {
            return 204;
        }

        location / {
            try_files $uri @proxy_to_app;
        }

        location @proxy_to_app {
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $http_x_forwarded_proto;
            proxy_set_header Host $http_host;
            proxy_redirect off;
            proxy_pass http://circ_mngr_server;
        }
    }
}