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 …
Tag: docker
Is distributing python source code in Docker secure?
I am about to decide on programming language for the project. The requirements are that some of customers want to run application on isolated servers without external internet access. To do that I need to distribute application to them and cannot use SaaS approach running on, for example, my cloud (what IR…
How to check the status of docker-compose up -d command
When we run docker-compose up-d command to run dockers using docker-compose.yml file, it starts building images or pulling images from the registry. We can see each and every step of this command on the terminal. I am trying to run this command from a python script. The command starts successfully but after t…
Is it possible to send HTTP requests from inside a running Docker container
I have a basic distributed system that calculates the average cyclomatic complexity across all commits of a Github repo. It consists of a Master node running on Flask that gives SHA ID’s to a set of Worker nodes when they send a GET request to the Master. I was trying to get some practice with Docker, a…
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 ha…
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 …
How does one detect if one is running within a docker container within Python?
I was trying to find out if my script was running inside a docker container or not within the python script. Something like: to do this the only hacky way I found out how to do it is that I can inspect the hostname (with platform.node()) and if the hostname is not the same as my computer then its not
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 increa…
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/…
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 t…