Building DigitalOcean's API Gateway
The decision to roll their own in golang entirely and then reimplement rails auth in golang, vs reimplement auth in lua and lean on nginx for everything else could be examined more, feels a bit like they wanted to
do it in golang so nginx+lua was a non starter. Imagine how many crazy long tail problems nginx has already solvedThere is always the benefit of building it up yourself and understanding it more deeply tho..