We recently have done a project in which the customer cloud infrastrure is created using Terragrunt and Ansible. The infrastructure included configuration of load balancers, installing firewalls, installation of web services and configuring storage. The whole infrastructure can be created or destroyed with just a single click.
HaProxy as TCP Load Balancer for Database Traffic We have a high performence website that connects to multiple application servers for load balancing and we found that TCP and HTTP load balancing of HaProxy was really awesome.