The dev_python image has at least two differences to the production image that prohibit me to use it in a deployment - the user is not set to nomad (1000) - the run.sh script is not available in the default working directory. Maybe there is more. It must be possible to use the dev_python image in real deployments, because for certain debugging things the prod image is too limited. I didn't noticed the user thing and accidentally screwed up a few file ownerships during the reprocessing.