"[…] Docker is a tool that allows developers, sys-admins etc. to easily deploy their applications in a sandbox (called containers) to run on the host operating system i.e. Linux. The key benefit of Docker is that it allows users to package an application with all of its dependencies into a standardized unit for software development. Unlike virtual machines, containers do not have the high overhead and hence enable more efficient usage of the underlying system and resources."
"The Internet is full of unsavoury content: advertisers wanting to sell you stuff you don't need, trackers extracting and selling your data as if it were oil, and malicious content vying to hijack your favourite device. This collection hopes to help you minimise these issues and maintain a more enjoyable online presence, using the wonderful, free and open source utility known as Pi-hole."