Correct Setup for development help

Hi, sorry me english lvl,

I need info about the correct setup for develop under open Edx (docker)

I’m using Python 2.7
ubuntu 19.04 disco

my question is Python2 or Python3?

Hi Kmogu,
Are you following the official documents to setup your devstack?
I think it would be the most helpful guide. take a look:
Installing and Updating Devstack