WordPress Multiuser Configuration

commonWP.example.com

#File: /etc/nginx/sites-available/commonWP.example.pw;

index index.php;

#fastcgi_cache start
set $skip_cache 0;

# POST requests and urls with a query string should always go to PHP
if ($request_method = POST) {
        set $skip_cache 1;
}
if ($query_string != "") {
        set $skip_cache 1;
}

# Don't cache uris containing the following segments
if ($request_uri ~* "(/wp-admin/|/xmlrpc.php|/wp-(app|cron|login|register|mail).php|wp-.*.php|/feed/|index.php|wp-comments-popup.php|wp-links-opml.php|wp-locations.php|sitemap(_index)?.xml|[a-z0-9_-]+-sitemap([0-9]+)?.xml)") {
        set $skip_cache 1;
}
# Don't use the cache for logged in users or recent commenters
if ($http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_no_cache|wordpress_logged_in") {
        set $skip_cache 1;
}
location / {
        index index.php index.html;
        try_files $uri $uri/ /index.php?$args ;
}
        client_max_body_size 200m;

location ~ \.php$ {
        try_files $uri /index.php;
        include /etc/nginx/fastcgi_params;
        fastcgi_pass    unix:/var/run/php5-fpm.sock;
        fastcgi_cache_bypass $skip_cache;
        fastcgi_no_cache $skip_cache;
        fastcgi_cache WORDPRESS;
        fastcgi_cache_valid  60m;
}

location ~ /purge(/.*) {
        fastcgi_cache_purge WORDPRESS "$scheme$request_method$host$1";
}

#WPMU Files
location ~ ^/files/(.*)$ {
        try_files /wp-content/blogs.dir/$blogid/$uri /wp-includes/ms-files.php?file=$1 ;
        access_log off; log_not_found off;      expires max;
        }

#WPMU x-sendfile to avoid php readfile()
location ^~ /blogs.dir {
        internal;
        alias /var/www/example.com/public_html/htdocs/wp-content/blogs.dir;
        access_log off; log_not_found off;      expires max;
}

example.com

#File: /etc/nginx/sites-enabled/example.com;

map $http_host $blogid {
    default       -999;

    #Ref: http://wordpress.org/extend/plugins/nginx-helper/
    include /var/www/example.com/public_html/wp-content/uploads/nginx-helper/map.conf;

}

server {
        listen 80;
        listen [::]:80;
        listen 443 ssl;
        listen [::]:443 ssl;

        #ssl on;
        ssl_certificate    /etc/ssl/localcert/example.com.crt;
        ssl_certificate_key    /etc/ssl/localcert/example.com.key;

        access_log /var/logs/access/example.com.log;
        error_log  /var/logs/error/ferguson.pw.log;
        root       /var/www/example.com/public_html;


        server_name example.com alice.example.com bob.example.com charlie.example.com david.example.com edward.example.com

        include /etc/nginx/sites-available/commonWP.example.pw;
}

map.conf

#File: /var/www/example.com/public_html/wp-content/uploads/nginx-helper/map.conf        
        example.com     1;
        alice.example.com    2;
        bob.example.com       3;
        charlie.example.com      4;
        david.example.com     5;
        edward.example.com     6;