Building nixos images in docker

This can be used to build nixos isos to run on an m1 Mac in Parallels/a VM.

Since the docker base image being used is aarch64 when run an an m1 Mac, it generates the matching iso which works out of the box (only tested in parallels).

Getting started

Run build script

./build.sh

This will write the iso to nixos.iso

Create new VM in parallels

Start parallels and select the created iso. You probably want to check CPU/RAM assignments when starting.

Install NixOS

By following the official installation procedure

I went the UEFI route but MBR should also work.