{ disko.devices = { disk = { main = { type = "disk"; device = "/dev/disk/by-id/ata-Samsung_SSD_850_EVO_250GB_S21PNXAGB12345"; content = { type = "gpt"; partitions = { boot = { size = "1M"; type = "EF02"; # for grub MBR priority = 1; # Needs to be first partition }; ESP = { size = "512M"; type = "EF00"; content = { type = "filesystem"; format = "vfat"; mountpoint = "/boot"; }; }; root = { size = "100%"; content = { type = "filesystem"; format = "ext4"; mountpoint = "/"; }; }; }; }; }; }; }; }