This repo show the proof of concept that you can have stdin into a docker running a python program that accepts input. I noticed that it shows no output until the entire call has been completed, which ...

Which program is pickling and why? That seems like a very strange thing to do in this situation. The only time to pickle something is if you need to represent a non-string object on disk, but Python ...

Replace harcoded sleep of 500 ms with synchronization using a pipe. Fix also Process._feed_stdin(): catch also BrokenPipeError on stdin.write(input), not only on ...