improper env.example

[G2G2G2G]

https://github.com/azimuttapp/azimutt/blob/main/INSTALL.md#step-2-run-the-docker-container

You say "with a the .env.example" so I assume you mean this file
https://github.com/azimuttapp/azimutt/blob/main/.env.example

but export should not be in it
https://stackoverflow.com/questions/68641841/docker-run-error-environment-variable-contains-whitespaces

I have tested this as the issue, removing the "export" on every line makes it work