You can find tutorials made by Turris routers users on this page. Everyone who is registered can contribute after login.
Before you start writing, please read instructions for authors
When you can see red links it means that translation from Czech is in progress and it will be done soon.
Are you not familiar with containers? Read the official documentation.
All LXC containers should be on your external storage like usb flash drive or hard drive
Complete hardware documentation you can find here: https://project.turris.cz/en/hardware-documentation