nginx.conf

#user  nobody;
worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;

    keepalive_timeout  65;

    server {
        listen       8080;
        server_name  localhost;

        location / {
            root   html;
            index  index.html index.htm;
        }

        location @manga_server {
            content_by_lua_file /usr/local/etc/nginx/lua/manga.lua;
        }

        location ~ ^/manga/(?<path>.*\.(?<ext>[a-z_]*))$  {
            root /usr/local/var/www/manga/cache;
            try_files /$path @manga_server;
        }

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