A Capture the Flag (CTF) event is a gamified exercise designed to test engineering skills such as cybersecurity, DevOps, or operational troubleshooting. This example scenario shows how to run a capture-the-flag game service by using Azure PaaS and the open-source CTFd platform.
https://learn.microsoft.com/en-us/azure/architecture/example-scenario/apps/capture-the-flag-platform-on-azure-paas