Nginx Magento Single-domain Multistore Config

server {
    listen 444 ssl spdy;            ## SPDY is On! SPDY could be activated only when SSL options is on either

    root /var/www/example.com/htdocs/;  ## Don't forget to specify a correct path
    index index.html index.php;

    server_name example.com;        ## Don't forget to specify a correct domain name

    ssl on;                 ## Turning SSL on. Certificate are mandatory. Use http://startssl.com to obtain free one.
    ssl_certificate /etc/apache2/ssl/example.com.crt;
    ssl_certificate_key /etc/apache2/ssl/example.comkey;

    proxy_send_timeout 600;
    proxy_read_timeout 600;

    error_log  /var/www/example.com/logs/nginx-error.log;
    access_log /var/www/example.com/logs/nginx-access.log;

    location /us/ {
        set $mage_run_code 'store_usa'; ## Important! Here you MUST to set your webstore-specific store code! (System->Manage Stores in Magento)
        index index.html index.php;     ## Allow a static html file to be shown first
            try_files $uri $uri/ @store_us; ## If missing pass the URI to Magento's front handler
            expires 30d;                    ## Assume all files are cacheable
    }

    location /ca/ {
        set $mage_run_code "store_ca";  ## Important! Here you MUST to set your webstore-specific store code! (System->Manage Stores in Magento)
        index index.html index.php;     ## Allow a static html file to be shown first
            try_files $uri $uri/ @store_ca; ## If missing pass the URI to Magento's front handler
            expires 30d;                    ## Assume all files are cacheable
    }

    location / {                ## This location block makes working your start page http://example.com/ (i. e. without /us or /ca)
            index index.html index.php;     ## Allow a static html file to be shown first
            try_files $uri $uri/ @default;  ## If missing pass the URI to Magento's front handler
            expires 30d;            ## Assume all files are cacheable
    }

    ## These locations should be hidden
        location ^~ /app/                { deny all; }
        location ^~ /includes/           { deny all; }
        location ^~ /lib/                { deny all; }
        location ^~ /media/downloadable/ { deny all; }
        location ^~ /pkginfo/            { deny all; }
        location ^~ /report/config.xml   { deny all; }
        location ^~ /var/                { deny all; }

    location /var/export/ {             ## Allow admins only to view export folder
            auth_basic           "Restricted";  ## Message shown in login window
            auth_basic_user_file htpasswd;      ## See /etc/nginx/htpassword
            autoindex            on;
    }

    location  /. {                  ## Disable .htaccess and other hidden files
        return 404;
    }

    location @default {                 ## Handler for http://example.com/
        rewrite / /index.php;
    }

    location @store_us {                ## Handler for http://example.com/us/
        rewrite / /us/index.php;
    }

    location @store_ca {                ## Handler for http://example.com/ca/
        rewrite / /ca/index.php;
    }

    location ~ .php/ {              ## Forward paths like /js/index.php/x.js to relevant handler
        rewrite ^(.*.php)/ $1 last;
    }

    location ~ /us/index.php {
        if (!-e $request_filename) { rewrite / /us/index.php last; }    ## Catch 404s that try_files miss

            expires        off;                                             ## Do not cache dynamic content
            fastcgi_pass unix:/var/run/php5-fpm.sock;
            fastcgi_param  HTTPS $fastcgi_https;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            fastcgi_param  MAGE_RUN_CODE $mage_run_code;
            fastcgi_param  MAGE_RUN_TYPE website;
            include        fastcgi_params;                  ## See /etc/nginx/fastcgi_params
    }

    location ~ /ca/index.php {
        if (!-e $request_filename) { rewrite / /ca/index.php last; }        ## Catch 404s that try_files miss

        expires        off;                                             ## Do not cache dynamic content
            fastcgi_pass unix:/var/run/php5-fpm.sock;
            fastcgi_param  HTTPS $fastcgi_https;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            fastcgi_param  MAGE_RUN_CODE $mage_run_code;
            fastcgi_param  MAGE_RUN_TYPE website;
            include        fastcgi_params; ## See /etc/nginx/fastcgi_params

        }

        location ~ .php$ { ## Execute PHP scripts
        if (!-e $request_filename) { rewrite / /index.php last; }   ## Catch 404s that try_files miss

        expires        off;                         ## Do not cache dynamic content
        fastcgi_pass unix:/var/run/php5-fpm.sock;
            fastcgi_param  HTTPS $fastcgi_https;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            include        fastcgi_params;                  ## See /etc/nginx/fastcgi_params
    }
}