Sudo gpasswd -a tomcat docker ! how secure is adding tomcat to docker group?

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wanted docker access to the tomcat user for a jenkins build, so added the tomcat to docker group using

sudo gpasswd -a tomcat docker

_but wanted to know how secure is adding tomcat to docker group ? _
or should i change any configuration file to make it more secure ?

Thanks in advance :slight_smile:

Hi @ndonthinli,

Could you please let us know why you want to add tomcat to the docker group? What are the requirements for that build? Do you need to run a docker command inside a Jenkins’ job?


yes i can explain,
the reason i need tomcat in docker group is due to the java testcontainers which needs docker for running tests and as a non root users these tests fail, but when i add tomcat user to docker group it works fine but i do not think its safe like this.
is there any alternative for this ?



I think that, if you need tomcat to run docker, that would be the way to go. I presume that, in the case the server gets compromised, the attacker could launch containers in your system. I do not think there is a safer way to do this, though.

Hope it helps.

Best regards,

Javier J. Salmerón

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