Address hacks in Dockerfile

Author: jorgensd

{{cookiecutter.repository_name}}/docker/Dockerfile

@@ -1,19 +1,15 @@
-ARG REPO_BRANCH="main"
-
 # We choose ubuntu 22.04 as our base docker image
-FROM ubuntu:22.04 as base 
+FROM ubuntu:22.04
 
-# Expose arg
-ARG REPO_BRANCH
+ARG REPO_BRANCH="main"
+ENV DEB_PYTHON_INSTALL_LAYOUT=deb_system
 
 # Install pip and git with apt
 RUN apt-get update && \
     apt-get install -y python3-pip git
 
 # We upgrade pip and setuptools
-# We remove the version of setuptools install via apt, as it is outdated
 RUN python3 -m pip install pip setuptools --upgrade
-RUN apt-get purge -y python3-setuptools
 
 
 # We set the working directory to install docker dependencies