From: http://0v.org/installing-ghost-on-ubuntu-nginx-and-mysql/#.UpsZYWTXQs0

gistfile1.txt

user www-data;
worker_processes 4;
pid /run/nginx.pid;
 
events {
    worker_connections 768;
    # multi_accept on;
}
 
http {
 
    proxy_cache_path  /var/cache/nginx levels=1:2 keys_zone=one:8m max_size=3000m inactive=600m;
    proxy_temp_path /var/tmp;
    include       mime.types;
    default_type  application/octet-stream;
    sendfile        on;
    keepalive_timeout  65;
 
    gzip on;
    gzip_comp_level 6;
    gzip_vary on;
    gzip_min_length  1000;
    gzip_proxied any;
    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
 
    gzip_buffers 16 8k;
 
    upstream ghost_upstream {
      server 127.0.0.1:2368;
      keepalive 64;
    }
 
    server {
    listen 80;
 
    server_name petrmanas.name www.petrmanas.name;
 
    if ($host = 'petrmanas.name' ) {
            rewrite  ^/(.*)$  http://www.petrmanas.name/$1  permanent;
    }
 
#        location ~ ^/(ghost/signup/) {
#                rewrite ^/(.*)$ http://petrmanas.name/ permanent;
#        }
 
    location ~ ^/(img/|css/|lib/|vendor/|fonts/|robots.txt|humans.txt) {
      root /var/www/core/client/assets;
      access_log off;
      expires max;
    }
 
    location ~ ^/(shared/|built/) {
      root /var/www/core;
      access_log off;
      expires max;
    }
 
    location ~ ^/(favicon.ico) {
      root /var/www/core/shared;
      access_log off;
      expires max;
    }
 
    location ~ ^/(content/images/) {
      root /var/www;
      access_log off;
      expires max;
    }
 
    location / {
      proxy_redirect off;
      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;
      proxy_set_header   Host                   $http_host;
      proxy_set_header   X-NginX-Proxy    true;
      proxy_set_header   Connection "";
      proxy_http_version 1.1;
      proxy_cache one;
      proxy_cache_key ghost$request_uri$scheme;
      proxy_pass         http://ghost_upstream;
    }
    }
 
    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;
 
    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites-enabled/*;
}