The following blog posts complement this documentation:
Compiling For Embedded Debian Target Systems
Cross Compiling For Raspbian
A New Approach To Operating System Image Generation
Secure By Default Ssh Setup
11 Traps To Avoid When Building Debian Images
Running Gui Applications Within Lxd Container
Booting Debian with U-Boot
Updating a Debian Based IoT Fleet with Mender
Debian Python Policy
Building Debian Packages with git
Packaging and Distributing Projects using setuptools.
Using setuptools_scm to derive version from git tag.
Sphinx - a Python documentation generator.
“Requests is an elegant and simple HTTP library for Python, built for human beings.”
Jinja2 is a template engine for Python.
The LXD blog gives a very good introduction to lxc/lxd 2.0.
Wikipedia about ReStructuredText.
reStructuredText Markup Specification.