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The Journeyman’s Guide to Lua Unit Testing

I had the pleasure of working with Lua with OpenResty a while back. Albeit numerous testing libraries/frameworks being available for Lua unit testing I faced a few challenges to learn how to set up a dockerised unit testing set up for my Lua scripts. I wrote this guide based on what I learned, in case it might be useful for someone else who is new to Lua, or even me down the road.