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• by default from the respective Dockerfile that creates the image.
• at run-time by the respective entrypoint.sh script:
  • The script can switch user account if started from the root account.
  • The script will use the indicated account if started from a non-root account.
• individually if users create their own Dockerfile, entrypoint.sh script and image, see JS7 - Build Docker Container Images.

Consider changes to the start-up of JS7 containers:

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• Users are free to specify any user account for which the container will be started and operated. Alternatively, This includes to specify temporary user accounts can be specified.
• The user account specified has to be assigned the root group.
• For OpenShift® policies see Adapting Docker and Kubernetes containers to run on Red Hat OpenShift Container Platform

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Find examples for user account settings using the Docker® run command:

# specify the account's User ID and the Group ID of the root account
docker run --user="100000:0"

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