Resources used to build Challenges
Articles talking about developing challenges: https://medium.com/techloop/ctf-challenges-dockerizing-and-repository-structure-bd3aed9314de https://drew-buckman.medium.com/use-travis-ci-to-automate-the-deployment-of-a-python-gunicorn-app-to-kubernetes-2a42cb9d2e88
Resources used to develop challenges
https://github.com/google/nsjail network services isolation ability. It would expose a portthath would be listening for any TCP connections, allowing for Remote Code Execution (RCE)