nginx_dynamic_subdomain_to_dir.conf

##################################
##     ROUTE WWW TO ROOT FOR SEO
##################################
server {
    listen 80;
    server_name www.junkey.com;
        # forward everything from www.junkey.com to junkey.com
        return 301 $scheme://junkey.com$request_uri;
}


##################################
##   DYNAMIC SUBDOMAINS 
##################################
#  This helped a lot: http://forum.slicehost.com/index.php?p=/discussion/1475/mass-dynamic-name-based-virtual-hosting-with-nginx/p1
server {
    listen 80;
    server_name *.junkey.com;

    set $domain $host;
    if ($domain ~ "^(w{3}\.)?(.*?)\.?junkey.com") {
        set $domain $2;
    }

    location / {
        # forward everything from *.junkey.com/uri to junkey.com/*/uri
        return 301 $scheme://junkey.com/$domain$request_uri;
    }

}



##################################
##     MAIN SITE
##################################
server {
        listen 80; ## listen for ipv4; this line is default and implied
        #listen   [::]:80 default_server ipv6only=on; ## listen for ipv6

        root /usr/local/www;
        index index.html;

        # Make site accessible from junkey.com and *.junkey.com
        server_name junkey.com;

        ##################################
        ########### CDN ROUTES ###########
        ##################################
        
        # the javascript is requested by MANY clients of nhs choices website. We need to redirect to CDN.
        location = /junkey.js {
            return 301 $scheme://assets.junkey.com/junkey.js;
        }
}