# Setting up launch agent using custom Docker image

**URL:** <https://community.wandb.ai/t/setting-up-launch-agent-using-custom-docker-image/8431>\
**Category:** W&B Help\
**Tags:** wandb\
**Created:** [November 19, 2024, 4:07pm UTC](https://community.wandb.ai/t/setting-up-launch-agent-using-custom-docker-image/8431 "2024-11-19T16:07:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![zalari-christian-kla](https://avatars.discourse-cdn.com/v4/letter/z/9f8e36/32.png) [@zalari-christian-kla](https://community.wandb.ai/u/zalari-christian-kla)\
**Post date:** [November 19, 2024, 4:07pm UTC](https://community.wandb.ai/t/setting-up-launch-agent-using-custom-docker-image/8431/1 "2024-11-19T16:07:38Z")

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Hi,  
I am trying to set up launch agents using a custom Docker file and encountering a problem and am curious if others have encountered the same or have some recommendations.

For the scenario I am currently exploring I would like to set up launch agents without having to set up a local wandb installation on each agent host by using Docker (compose) instead.

I have built a custom image (and compose file) that sets up a working wandb installation. Since the agent needs access to Docker itself the image also includes the Docker CLI and it gets mounted the Docker socket of the host system (so I am not using the Docker-in-Docker-method [DinD] approach).

When launching a job using a base image and local code the agent will run “docker run” using the volume flag like this “–volume /tmp/tmpwll8n\_n1:/mnt/wandb” where the temp subdirectory is dynamically generated. The problem seems to be that due to the agent using its hosts Docker socket that the left-hand-side of this volume expression now refers to a directory on the host system not one of the docker agent itself thus the /mnt/wandb will not include the code files and an entry-point like “python3 my-run.py” will fail. I see no way to control the name of genarated temp sub-directory.

Can anyone give pointers to an elegant way to solve this or does anyone can give their experience regarding using DinD instead of the socket approach in this scenario?