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Old 10-13-2019, 04:59 AM   #1
LQ Newbie
Registered: Sep 2019
Posts: 5

Rep: Reputation: Disabled
Docker: ubuntu image doesn't keep the packages I installed

Hello everyone,

I am new to docker and it's concepts.

Anyway, I pulled the ubuntu image from docker's online hub via the docker run command.

After it downloaded and it open the bash prompt, I did

apt-get update
apt-get upgrade -y

And I then install some packages. Everything went fine and I then exited the container.

When I return to the ubuntu container to use those programs I've installed, they were not there.

How can I make the ubuntu image keep the packages I install in them?

Old 10-13-2019, 05:43 AM   #2
LQ Newbie
Registered: Sep 2019
Posts: 5

Original Poster
Rep: Reputation: Disabled
solved it. I needed to create a Dockerfile with the apt-get statements and the packages I want to install.


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