Running shell script using Docker image

Question

Input: - There is Windows machine with Docker Toolbox installed. - There is a shell script file baz.sh which calls py2dsc-deb.

Problem: py2dsc-deb is not available on Windows.

As I understand correctly, I can pull some Linux distro image from Docker repository, create a container and then execute shell-script file and it will run py2dsc-deb and do its job.

I have pulled:

debian - stretch-slim - 3ad21 - 3 weeks ago - 55.3MB

Now

How do I run my script using debian, something like: docker exec mycontainer /path/to/test.sh?
Running docker --rm debian:stretch-slim does nothing. Doesn't it suppose to run Debian distro at docker-machine ip?
I have tried to keep the container up using docker run -it debian:stretch-slim /bin/bash, then run the script using docker exec 1ef5b ./build.sh, but getting

$ docker exec 745 ./build.sh rpc error: code = 2 desc = oci runtime error: exec failed: container_linux.go:247: starting container process caused "exec: \"./build.sh\": stat ./build.sh: no such file or directory"

Does it mean I can't run external script and has to always pass it inside the Docker?

Anar Bayramov · Accepted Answer · 2017-07-19 07:04:31Z

1

You can execute bash command inside your container by typing

docker exec -ti -u `username` `container_name` bash -c "cd /path/to/ && ./test.sh"

lets say your container name is test_buildbox, you are root and your script stays inside /bin/test.sh You can call this script by typing

docker exec -ti -u root test_buildbox bash -c "cd /bin/ && ./test.sh

edited Jul 19, 2017 at 7:04

answered Jul 18, 2017 at 7:32

Anar Bayramov

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1 Comment

Anar Bayramov Over a year ago

I added an explanation with an example

Alex Elkin · Accepted Answer · 2018-10-17 10:49:58Z

0

Please check if you have correct line endings in your .sh scripts (<LF>) when you built Docker image on Windows.

answered Oct 17, 2018 at 10:49

Alex Elkin

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