archlinux-reverse-proxy.nginx

worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include             mime.types;
    default_type        application/octet-stream;
    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 4096;


    upstream ARCH_LINUX_MIRRORS {
        # server mirror.lty.me;
        # server mirrors.ocf.berkeley.edu;
        server mirror.arizona.edu;
        # server mirrors.xmission.com;
        # server mirrors.xtom.com;
        # server mirrors.lug.mtu.edu;
        # server mirrors.acm.wpi.edu;
    }

    proxy_cache_path /var/cache/nginx
        levels=1:2
        keys_zone=ARCH_LINUX_CACHE:10m
        inactive=7d
        use_temp_path=off
        max_size=5g;

    server {
        listen      8081;
        # Cache packages and other archives
        location ~ (\.pkg\.tar\.xz|\.tar\.gz)$ {
            client_body_buffer_size 1m;
            client_max_body_size    250m;
            proxy_buffers           32 4k;
            proxy_cache             ARCH_LINUX_CACHE;
            proxy_cache_valid       365d;
            proxy_connect_timeout   900;
            proxy_ignore_headers    X-Accel-Expires Expires Cache-Control;
            proxy_pass              http://ARCH_LINUX_MIRRORS;
            proxy_read_timeout      900;
            proxy_redirect          off;
            proxy_send_timeout      900;
            proxy_set_header        Host            $host;
            proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header        X-Real-IP       $remote_addr;
        }

        location / {
            proxy_pass              http://ARCH_LINUX_MIRRORS;
            proxy_set_header        Host            $host;
            proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header        X-Real-IP       $remote_addr;
        }
    }
}