Keywords: Joomla - Google Cloud Platform - Technical issue - Upgrade
Joomla have the following message:
Your PHP version, 7.0.31, is only receiving security fixes at this time from the PHP project. This means your PHP version will soon no longer be supported. We recommend planning to upgrade to a newer PHP version before it reaches end of support on 2018-09-03. Joomla will be faster and more secure if you upgrade to a newer PHP version (PHP 7.x is recommended). Please contact your host for upgrade instructions.
How to upgrade PHP without stop the server or move the Joomla installation to another instance. (production server)