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Let’s talk about Docker and Nix today. Before explaining what Nix is, if you don’t know yet, and before going into the details, I will show you a snippet similar to a Dockerfile for creating a Redis image equivalent to the one in docker hub.
The final image will be around 42mb (or 25mb) in size, compared to 177mb.
EDIT: as mentioned on HN, alpine-based images can even go around 15mb in size.
If you want to try this, the first step is to install Nix.
