Feng Chai
Programmer at Odd-e
Taiyuan, Shanxi, China
Summary
🤩
Rockstar🎓
Top SchoolFeng Chai is a seasoned programmer based in Taiyuan with 12 years of experience building resilient, secure systems using Java EE, Scala, Clojure and Lisp. At Odd-e he blends software architecture and sysadmin skills to design production-ready services and operational tooling. He contributes pragmatically to open source infrastructure—most notably maintaining ufw-docker to reconcile Docker and UFW firewall behaviors by automating dynamic rule updates. Feng’s approach emphasizes redesign with intent: engineering at scale as deliberate improvement rather than ad hoc survival. Comfortable across languages and the stack, he brings a hacker’s fluency in scripting and DevOps to harden deployments and simplify operations.
12 years of coding experience
Shanxi University
Chinese, English
Stackoverflow
3,745reputation
218kreached
37answers
0questions
ubuntu
top-1%
docker
top-5%
Github Skills (23)
container10
docker10
ufw10
firewall10
bash10
dockers10
ubuntu10
automation10
automation-testing10
automations10
linux9
debian8
docker-swarm8
security8
docker-swarm-mode8
Programming languages (10)
Github contributions (5)
chaifeng/ufw-docker
Aug 2018 - Oct 2022
To fix the Docker and UFW security flaw without disabling iptables
Role in this project:
DevOps Engineer
DevOps EngineerContributions:3 releases, 2 reviews, 132 commits in 4 years 2 months
Contributions summary:Feng primarily focused on developing and maintaining the `ufw-docker` project, which aims to fix a Docker and UFW security flaw. They contributed by creating Dockerfiles, modifying the `docker-entrypoint.sh` script for managing firewall rules, and integrating Docker events for dynamic rule updates. The user's work involved scripting and automating the interaction between Docker containers and the Uncomplicated Firewall (UFW). Their efforts resulted in the addition of several subcommands for ufw-docker.
fixdocker-swarmsecuritylinuxdocker
chaifeng/docker-mysql-mycli
Feb 2018 - Nov 2022
Contributions:17 commits, 15 pushes, 2 branches in 4 years 9 months
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