Nginx Frontend

frontend.conf

server {
    listen 80 default;
    server_name _;
    root        /path/to/your/root/directory;
    index       index.html index.htm;
    charset     utf-8;

    access_log  /var/log/nginx/domain.access.log  main;
    error_log   /var/log/nginx/domain.error.log;

    rewrite ^(.*)(index|home|default)\.html? $1 permanent;
    
    set $mobile '';
    include /etc/nginx/template/mobile-detect;
    location ~* ^/wp-(admin|includes) {
        index   index.php index.html index.htm;
        if ($request_filename ~ .*\.php) {
            expires off;
            proxy_pass http://backend;
        }
            expires 2m;
    }
    location /feed {
        expires off;
        proxy_pass http://backend;
    }
    location / {
        if ($request_filename ~ .*\.php) {
            break;
            proxy_pass http://backend;
        }
        open_file_cache max=100;
        include /etc/nginx/template/expires;

        set $do_not_cache 0;
        if ($http_cookie ~* "comment_author_|wordpress_(?!test_cookie)|wp-postpass_" ) {
            set $do_not_cache 1;
        }
        if ($request_method = POST) {
            set $do_not_cache 1;
        }
        proxy_no_cache     $do_not_cache;
        proxy_cache_bypass $do_not_cache;

        proxy_redirect     off;
        proxy_cache        czone;
        proxy_cache_key    "$scheme://$host$request_uri$mobile";
        proxy_cache_valid  200 0m;
        proxy_pass http://backend;
    }
    location ~ /(Your favorite Purge dir)(/.*) {
        proxy_cache_purge czone "$scheme://$host$1$is_args$args$mobile";
       }
    }