[英]How to display output in a simple dockerized Python application?
I just started using docker and am still struggling a bit in it's usage. 我刚刚开始使用docker,我仍然在使用中苦苦挣扎。 I have a python simple python application that uses Matplotlib to generate some simple graphs.
我有一个python简单的python应用程序,它使用Matplotlib生成一些简单的图形。 I currently have the following Dockerfile:
我目前有以下Dockerfile:
FROM python:2
COPY requirements.txt /
RUN pip install --requirement requirements.txt
COPY my_code.py /
CMD [ "python", "./my_code.py" ]
This however generates the following error: 但是,这会产生以下错误:
Traceback (most recent call last):
File "./fraud_detection_sample_code.py", line 161, in <module>
plt.figure(1)
File "/usr/local/lib/python2.7/site-packages/matplotlib/pyplot.py", line 535, in figure
**kwargs)
File "/usr/local/lib/python2.7/site-packages/matplotlib/backends/backend_tkagg.py", line 81, in new_figure_manager
return new_figure_manager_given_figure(num, figure)
File "/usr/local/lib/python2.7/site-packages/matplotlib/backends/backend_tkagg.py", line 89, in new_figure_manager_given_figure
window = Tk.Tk()
File "/usr/local/lib/python2.7/lib-tk/Tkinter.py", line 1820, in __init__
self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use)
_tkinter.TclError: no display name and no $DISPLAY environment variable
What would be the best way to solve this? 解决这个问题的最佳方法是什么? Is it even possible with my approach?
我的方法甚至可能吗?
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