docker error with python application (user interactive mode ? )

Question

Enter the text:

Traceback (most recent call last):
  File "caesarCipher.py", line 16, in <module>
    text=input("Enter the text: ")
EOFError: EOF when reading a line

how can I fix this ? Thank you

Inside docker you should not get data from terminal. You should create rest api or any other kind of service. — Giga Kokaia
– Giga Kokaia, Commented May 6, 2020 at 14:44

chash · Accepted Answer · 2020-05-06 14:52:29Z

1

You should run your container with the -it flags (interactive terminal). This will allow you to interact with the process running inside the container.

For example:

foo.py

x = input('Enter some input: ')
print(x)

Dockerfile

from python

COPY foo.py .

ENTRYPOINT python foo.py

Usage

$ docker build . -t foo
$ docker run -it foo
Enter some input: foo
foo
$

answered May 6, 2020 at 14:52

chash

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Comments

Iñigo González · Accepted Answer · 2020-05-06 16:00:07Z

0

I guess the problem that you defined your script to be the entrypoint of your container. Inside the script the input function expects to have either a tty or a stream.

Running the script inside the container like this will do the trick:

docker run -it your_docker_container /path/to/your/script.py

answered May 6, 2020 at 16:00

Iñigo González

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