Dockerfile
FROM ubuntu:20.04
LABEL maintainer="wang-junjian@qq.com"
#auto install tzdata(opencv depend)
ENV DEBIAN_FRONTEND=noninteractive
RUN sed -i s@/archive.ubuntu.com/@/mirrors.aliyun.com/@g /etc/apt/sources.list
RUN apt-get update && apt-get install -y \
python3 python3-pip \
libglib2.0-dev libgl1-mesa-glx \
&& rm -rf /var/lib/apt/lists/*
RUN ln -s /usr/bin/python3 /usr/bin/python && \
ln -s /usr/bin/pip3 /usr/bin/pip
RUN pip install --no-cache-dir -i https://mirrors.aliyun.com/pypi/simple/ \
opencv-python opencv-contrib-python
#set your localtime
RUN ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
WORKDIR /
CMD bash
Pull
docker pull gouchicao/opencv4:ubuntu20.04
FAQ
- ImportError: libGL.so.1: cannot open shared object file: No such file or directory
>>> import cv2
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python3.8/dist-packages/cv2/__init__.py", line 5, in <module>
from .cv2 import *
ImportError: libGL.so.1: cannot open shared object file: No such file or directory
apt install -y libgl1-mesa-glx
- ImportError: libgthread-2.0.so.0: cannot open shared object file: No such file or directory
>>> import cv2
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python3.8/dist-packages/cv2/__init__.py", line 5, in <module>
from .cv2 import *
ImportError: libgthread-2.0.so.0: cannot open shared object file: No such file or directory
apt install -y libglib2.0-dev
- 需要交互，不能自动化安装。
apt install libglib2.0-dev
Setting up tzdata (2020f-0ubuntu0.20.04.1) ...
debconf: unable to initialize frontend: Dialog
debconf: (No usable dialog-like program is installed, so the dialog based frontend cannot be used. at /usr/share/perl5/Debconf/FrontEnd/Dialog.pm line 76.)
debconf: falling back to frontend: Readline
Configuring tzdata
#------------------
Please select the geographic area in which you live. Subsequent configuration questions will narrow this down by presenting a list of cities, representing the time zones in which they are located.
#1. Africa 2. America 3. Antarctica 4. Australia 5. Arctic 6. Asia 7. Atlantic 8. Europe 9. Indian 10. Pacific 11. SystemV 12. US 13. Etc
Geographic area:
ENV DEBIAN_FRONTEND=noninteractive
- ModuleNotFoundError: No module named 'skbuild'
Collecting opencv-python
Using cached https://mirrors.aliyun.com/pypi/packages/bb/08/9dbc183a3ac6baa95fabf749ddb531bd26256edfff5b6c2195eca26258e9/opencv-python-4.5.1.48.tar.gz
Complete output from command python setup.py egg_info:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/tmp/pip-build-shxlwar6/opencv-python/setup.py", line 10, in <module>
import skbuild
ModuleNotFoundError: No module named 'skbuild'
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-shxlwar6/opencv-python/