Backend

1. run

data flow:

browser -> (post req) -> django page -> (stores file in /tmp/code.py) -> docker run -> (execute code) -> (store result in /tmp/code.out) -> (response to browser) -> browser callback (update UI)

docker image && container

We can use: docker pull python:3.5.2-alpine as our running image, and then, use volume to mount tmp/code.py on the host with /tmp/code.py in the container. Then, execute, output content to file on host, you can reference: https://github.com/besnik/simple-python-online-editor/blob/master/run_in_docker.sh