Running Docker inside Cisco Catalyst 9000

https://blogs.cisco.com/networking/application-hosting-on-catalyst-9000-series-switches

Catalyst 9000 series of switches, Cisco’s flagship enterprise switching portfolio delivering Intent Based Networking (IBN) runs a modern, modular and model-driven operating system stack, Cisco IOS® XE. Powered by Intel x86 CPU, Catalyst 9000 series now supports secure Docker™ container based application hosting environment, starting with the Catalyst 9300 switches. Users now have the option to either build their own apps or host any off-the-shelf apps to enable network monitoring/troubleshooting, security or IoT related outcomes.