Created
May 6, 2025 13:13
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A Nushell script to run systemd-nspawn containers from Docker images
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| #!/usr/bin/env -S nu --login --interactive | |
| export def main [ | |
| image: string | |
| ] { | |
| let name = $image | split row ':' | first | |
| mkdir $name | |
| cd $name | |
| docker pull $image | |
| let id = docker create --name $name $image true | |
| let envs = docker inspect $name | from json | get 0.Config.Env | each {|it| $"--setenv=($it)"} | |
| docker export $id --output $"($name).tar" | |
| docker rm $name | |
| tar --extract --file $"($name).tar" | |
| rm -rf $"($name).tar" | |
| sudo systemd-nspawn --ephemeral --machine $name --directory . ...$envs --private-users | |
| cd .. | |
| rm -rf $name | |
| } |
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