Container entry: ImportError: libGL.so.1: cannot open shared object file: No such file or directory

Traceback (most recent call last):
  File "image_encoder.py", line 1, in <module>
    from slic import slic_and_mean
  File "/research/slic_gan/slic.py", line 8, in <module>
    import cv2
  File "/usr/local/lib/python3.6/site-packages/cv2/__init__.py", line 8, in <module>
    from .cv2 import *
ImportError: libGL.so.1: cannot open shared object file: No such file or directory

Problem: There is no file libGL.so.1 in the container

Solution:

apt update
apt install sudo

apt update
apt install libgl1-mesa-glx

Problem solved~