docker run script at start, commit changes and remove script mounted

sak

8/29/23, 2:50 PM

I have a script that I want to run on existing images. For this I mount the script while running the container, commit changes and replace the image. The problem with binding the script at start is that the volume stays in new image too.In running an inspect on the image I can see it becomes a permannet argument and the run fails as the host system does not have the one time script.

Is there any way that the script runs, makes OS level changes and is removed completely. The script is fairly involved and calls a bunch of other scripts too.

command to run conatainer with script

 docker run --name temp_container --ipc host -v /path_to_scripts_dir:/new_dir iamge bash -v /new_dir/call_scripts.sh'

New to docker, any pointers would help!

0 + 0

linux

bash

mount

docker

Score:0

Server

Klamber

8/30/23, 11:04 AM

You could try with the --rm flag.

By default a container’s file system persists even after the container exits. This makes debugging a lot easier (since you can inspect the final state) and you retain all your data by default. But if you are running short-term foreground processes, these container file systems can really pile up. If instead you’d like Docker to automatically clean up the container and remove the file system when the container exits, you can add the --rm flag

Docker run reference

0 + 0

sak

9/2/23, 4:58 PM

I cannot use --rm as I need to use the container and commit the changes made in container back to image

Klamber

9/2/23, 6:25 PM

Maybe an intermediate container would help? https://docs.docker.com/develop/develop-images/multistage-build/

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: docker run script at start, commit changes and remove script mounted

TH: นักเทียบท่าเรียกใช้สคริปต์เมื่อเริ่มต้น ยอมรับการเปลี่ยนแปลง และลบสคริปต์ที่เมาท์

RO: docker rulează scriptul la pornire, comite modificări și elimină scriptul montat

RU: docker запускает скрипт при запуске, фиксирует изменения и удаляет смонтированный скрипт

VI: docker chạy tập lệnh khi bắt đầu, cam kết thay đổi và xóa tập lệnh được gắn

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