I guess it takes time to built a DE from scratch.

Thanks for the context!

Alpine has been used in Docker, and Docker is now run everywhere

This is exactly what came to my mind while reading through the article.

Your home server might have the required bandwidth but not requisite the infra to support server load (hundreds of parallel connections/downloads).

Bandwidth is only one aspect of the problem.

That solves the media distribution related storage issue, but not the CI/CD pipeline infra issue.

Exactly the same rationale as mine.