The linked article contains a script building the file system. It creates a block device using `qemu-img`, adds an empty filesystem using `mkfs.ext4` and then

The linked article contains a script building the file system. It creates a block device using `qemu-img`, adds an empty filesystem using `mkfs.ext4` and then simply mounts it and copies in the files. The previous posts cover this topic in more detail: Day 43: Building VM images - https://jvns.ca/blog/2021/01/21/day-43--building-vm-images/ https://jvns.ca/blog/2021/01/21/day-43--building-vm-images/ Day 44: Building my VMs with Docker - https://jvns.ca/blog/2021/01/22/day-44--got-some-vms-to-start-in-firecracker/ https://jvns.ca/blog/2021/01/22/day-44--got-some-vms-to-star...