Docker-compose with django could not translate host name “db” to address: Name or service not known

Question

I have currently a system built with docker-compose, it creates a Django application.

Up until now I\'ve used a database inside a container (postgresql) in my testin

Answer 1

Answering my question, this was a stupid one...

My manage.py was selecting only the base.py settings file, and was not taking into account the staging.py settings file. So it was breaking in the CLI and was not breaking inside the app.