Containers are the number of application containers you can run on your VNS3 controller instance to provide application delivery controller (ADC) network services.
You can upload your containers to run most any open source, 3rd party-sourced, or proprietary-sourced application to provide the network service you might need for your use-case.
Customers typically run services like proxy, reverse proxy, content caching, NIDS, and load balancing, but you can create any custom application container. The container system is base on Docker and you can upload Docker files or LXC/Libcontainer image files.