Docker ports shadow local ones and can cause bugs

This is part of the Semicolon&Sons Code Diary - consisting of lessons learned on the job. You're in the docker category.

Last Updated: 2021-05-16

I had the error "unable to connect to chromedriver 127.0.0.1:9515"

I went online and Googled for generic (and useless info)

Ultimately I should have inspected what was going on in my computer at that port

Lessons