Passing file as argument to Docker container

Question

A very simple python program, suppose current directory is /PYTHON, I want to pass file.txt as argument to python script boot.py, here is my Dockerfile

FRO         


        

Answer 1

You may also make your script read from STDIN and then pass data to docker using cat. Have a look at how to get docker container to read from stdin?

Something like:

cat /path/to/file | docker run -i --rm boot python boot.py