```
cole@azdev ~/code/nixcfg main*
❯ nix build .#images.rpizero1
warning: Git tree '/home/cole/code/nixcfg' is dirty

cole@azdev ~/code/nixcfg main*
❯ ls result/sd-image
nixos-sd-image-21.03.20210129.c2c140c-hydra_-armv6l-linux.img.zst
```