Ubuntu 18.04 - nginx1.4 - php7.2 : wordpress

Ubuntu 18.04 - nginx1.4 - php7.2 : wordpress

server {
    listen 80;
    listen [::]:80;
    root /var/www/html;
    index  index.php index.html index.htm;
    server_name  example.com www.example.com;

    client_max_body_size 500M;

    location / {
        try_files $uri $uri/ /index.php?$args;
    }
	
    location = /favicon.ico {
        log_not_found off;
        access_log off;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
        expires max;
        log_not_found off;
    }	

    location = /robots.txt {
        allow all;
        log_not_found off;
        access_log off;
    }	

    location ~ \.php$ {
         include snippets/fastcgi-php.conf;
         fastcgi_pass unix:/var/run/php/php7.2-fpm.sock;
         fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
         include fastcgi_params;
    }
}

add header to prevent http request fail in admin pages add_header 'Content-Security-Policy' 'upgrade-insecure-requests'; below client_max_body_size