I would have preferred to link a feed for releases, but that does not
seem to exist

In the readme it is easily confused for production installation
instructions.

we do releases and had a security audit, so the warning is no longer
acurate

-   obviously not for production use
-   a bit more professional

The docs warn that psycopg2-binary might conflict with host packages and
should not be used in production. Building it ourselves requires all
kinds of dependencies. So the best course of action seems to be to use
the distro binary package.

https://www.psycopg.org/docs/install.html#install-from-source

I use the following command to get a fresh ubuntu system for testing:

docker run -v /var/run/docker.sock:/var/run/docker.sock --network host -it ubuntu bash

but still include them in the docker image

new shiny website

.env is commonly used to collect environment variables (see https://github.com/motdotla/dotenv)

There is no clear recommendation from either venv or virtualenv on how
this should be called. flake8 uses .venv in its documentation (see
http://flake8.pycqa.org/en/latest/internal/option_handling.html?highlight=venv)