Anycast is a network addressing and routing methodology in which datagrams from a single sender are routed to the topologically nearest node in a group of potential receivers, though it may be sent to several nodes, all identified by the same destination address.
Anycast addressing routes datagrams to a single member of a group of potential receivers that are all identified by the same destination address. This is a one-to-nearest association.
For example: DNS service is a distributed service over multiple geographically dispersed servers.
Google Cloud DNS service using anycast methodology.
You can create easily Prestashop E-commerce platform with Click to Deploy service on Cloud Launcher.
It’s getting on a Debian machine and with the other required services for Prestashop. Provisioning completed just a few minutes.
You can see the video how to make load balancing on Google Compute Engine
You could just create a startup script that would change this for you on instance/cluster creation: https://cloud.google.com/compute/docs/startupscript#provide_startup_script_contents_directly
I replicated on an instance with the startup commands as below (but, test before pushing into production systems):
echo ‘Asia/Istanbul’ | sudo tee /etc/timezone
sudo dpkg-reconfigure -f noninteractive tzdata