Docker file needs to be updated

[kamalnayant]

Docker file needs to be updated. unable to install flask

[rathulal]

pip instllation is not working
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "", line 1, in
File "setuptools/init.py", line 8, in
import _distutils_hack.override # noqa: F401
File "distutils_hack/init.py", line 194
f'spec_for{name}',
^
SyntaxError: invalid syntax

----------------------------------------

Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-D4mQfh/setuptools/