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Hi, I am Jan 👋 PHP geek from Czech Republic.
It has been over 20 years already, since I deployed my first web application!

I love to share my experience and talk about stuff like CI/CD, containers, TDD, DDD, PHP applications architecture, automation, monorepos and many more... logo

In my spare time, I am building Peon. Open-source tool to automate your boring stuff - you can delegate things like coding standards, fixers and many more (well, basically anything, that can run in CLI) to Peon. You can as well choose from many predefined ready-to-use community maintained recipes to improve your codebase. Peon behaves just like your real colleague:

  1. You: tell peon what to do (define custom tasks and/or pick recipes)
  2. Peon: does the job, opens merge request
  3. You: review & merge

Check out Peon's Github.

Daily routine

  • Backend architecture 🐘 at logo
  • Technical debt challenges aka cleaning legacy code 🧹
  • Containers 🐳
  • Continuous integration & Continuous delivery (I love Gitlab CI!)

Do you have interesting CI/CD or PHP application architecture problems to solve or just want to chat? Let me know!


  1. Save time by delegating work to your new virtual colleague - Peon.

    PHP 15 1

  2. Instant Upgrades and Automated Refactoring of any PHP 5.3+ code

    PHP 6.3k 577

  3. Example of how to push with Gitlab CI to Google Cloud Registry

    Dockerfile 34 6

  4. Caloriary Public

    Sample REST API application for the input of calories

    PHP 1

  5. Builder of base Docker image with facebook/bistro

1,069 contributions in the last year

Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Mon Wed Fri
Activity overview
Contributed to peon-dev/peon, JanMikes/, peon-dev/ci-e2e and 30 other repositories

Contribution activity

November 2022

Created 3 commits in 1 repository
Opened 6 pull requests in 1 repository

Created an issue in nginx/unit that received 3 comments

DNS-Name to IP resolution support

Hi, referred to the documentation, i should be able to proxy request to any valid hostname, but dont…


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