Nginx fast cgi cache for OctoberCMS

october.conf

#Set the path where the cache is stored; Set the zone name, totalsize (400m),and max life time(60m)
fastcgi_cache_path /var/run/nginx-cache levels=1:2 keys_zone=AICUNGXINH:400m inactive=60m;
fastcgi_cache_key "$scheme$request_method$host$request_uri";
fastcgi_cache_use_stale error timeout invalid_header http_500;
#fastcgi_ignore_headers Cache-Control Expires Set-Cookie;
    
server {    
    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 ~* "/backend/|/gio-hang/|index.php|sitemap(_index)?.xml") {
        set $skip_cache 1;
    }

    # Don't use the cache for logged in users
    if ($http_cookie ~* "user_auth")        {
        set $skip_cache 1;
    }

    if ($http_x_requested_with = XMLHttpRequest) {
        set $skip_cache 1;
    }
    
}