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Tag: docker

Installed Docker on Mac but can’t find the command

On My mac I ran: And it seems successfully: However, when I run the ‘docker’ at the terminal, it can’t find it: Then I run: It shows nothing. So how do I get docker to run? Thanks. Answer I’m unsure which instructions you followed to install via pip, however docker-3.4.1 is a very old version, so you have worse issues

How can I use matplotlib.pyplot in a docker container?

I have a certain setting of Python in an docker image named deep. I used to run python code For information, -v and -w options are to link a local file in the current path to the container. However, I can’t use matplotlib.pyplot. Let’s say test.py is I got this error. With solution search, I am having only one solution.

Access webcam using OpenCV (Python) in Docker?

I’m trying to use Docker for one of our projects which uses OpenCV to process webcam feed (Python). But I can’t seem to get access to the webcam within docker, here’s the code which I use to test webcam access: And here’s what I tried so far, All of these return False, what am I doing wrong? Answer The Dockerfile

docker container increase listen queue size beyond 128

How can I increase the listen queue size beyond 128 on a docker image with a read only file system? When I run my container I get the following error: uWSGI: – Listen queue size is greater than the system max net.core.somaxconn (128). I have a Dockerfile with base image python:2.7. I am trying to increase system level limit on

Why are my gunicorn Python/Flask workers exiting from signal term?

I have a Python/Flask web application that I am deploying via Gunicorn in a docker image on Amazon ECS. Everything is going fine, and then suddenly, including the last successful request, I see this in the logs: [2017-03-29 21:49:42 +0000] [14] [DEBUG] GET /heatmap_column/e4c53623-2758-4863-af06-91bd002e0107/ADA [2017-03-29 21:49:43 +0000] [1] [INFO] Handling signal: term [2017-03-29 21:49:43 +0000] [14] [INFO] Worker exiting (pid:

installing cPickle with python 3.5

This might be silly but I am unable to install cPickle with python 3.5 docker image Dockerfile requirements.txt When I try to build the image Answer cPickle comes with the standard library… in python 2.x. You are on python 3.x, so if you want cPickle, you can do this: However, in 3.x, it’s easier just to use pickle. No need

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