http://blog.zachorr.com/nginx-setup/

nginx.conf

worker_processes auto;
worker_rlimit_nofile 8192;

user nginx;
pid /var/run/nginx.pid;
# error_log /var/log/nginx/error.log warn;

events {
    worker_connections 2048;
    multi_accept on;
    use epoll;
    accept_mutex off;
}

http {
    include mime.types;
    # default_type application/octet-stream;
    default_type text/html;
    charset UTF-8;

    # access_log /var/log/nginx/access.log combined;
    access_log off;
    error_log /var/log/nginx/error.log crit;

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;

    keepalive_timeout 20;

    client_header_timeout 20;
    client_body_timeout 20;

    reset_timedout_connection on;

    send_timeout 20;

    limit_conn_zone $binary_remote_addr zone=addr:5m;
    limit_conn addr 100;

    gzip on;
    # gzip_static on;
    gzip_proxied any;
    gzip_min_length 256;
    gzip_comp_level 4;
    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;


    open_file_cache max=100000 inactive=20s;
    open_file_cache_valid 30s;
    open_file_cache_min_uses 2;
    open_file_cache_errors on;

    ## Sites

    # include /etc/nginx/conf.d/*.conf;

    upstream app_server {
        # server unix:/tmp/gunicorn.sock fail_timeout=0;
        # For a TCP configuration:
        server 127.0.0.1:9000 fail_timeout=0;
    }

    server {
        listen 80 default;
        client_max_body_size 4G;
        server_name _;

        keepalive_timeout 5;

        # path for static files
        # only use if your static dir is not in same folder as django
        # otherwise comment this line and uncomment the blocks above
        root /usr/share/nginx/html;

        # location /static/ {
        #    alias /var/www/django/static/;
        #    expires 30d;
        #}

        #location /media/ {
        #    alias /home/www/django/media/;
        #    expires 30d;
        #}

        location / {
            # checks for static file, if not found proxy to app
            try_files $uri @proxy_to_app;
        }

        location @proxy_to_app {
            proxy_pass   http://app_server;
            proxy_redirect off;

            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

        error_page 500 502 503 504 /50x.html;
        location = /500.html {
            root /usr/share/nginx/html;
        }
    }
}