Docker Container Tutorial #6 Docker Container Users
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. In the 6th Docker Container Tutorial I demonstrate how to connect to a docker container via a specific user.
By default docker attaches to a container using the root user.
This isn't ideal for security reasons and some applications need to run as certain users.
In this tutorial I create a Unix user account inside a Ubuntu container.
I then connect to that user from the host machine.
This tutorial is part of the Docker containers for beginners course from How To Code Well. Get the whole course here: howtocodewell.net/courses/dock...
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Docker Tutorial #1 Containers Vs Images:
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Docker Tutorial #2 Containers Vs Images:
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your all 7 min is useful .. thank you..
@howtocodewell
6 жыл бұрын
You most welcome
quick & easy, thanks buddy :-)
@howtocodewell
5 жыл бұрын
No worries. I'm glad you found it useful
Thanks a lot. It was very useful for me
@howtocodewell
2 жыл бұрын
Glad it was helpful!
I have run docker to mount the persistent volume, but the permissions of the host and the mysql container are inconsistent, which makes it impossible to write mysql data to the mount volume. How can I solve this problem?
Question: How is it that the user pete exists in the container after the container has stopped? From what I've read so far a container is immutable and doesn't save any changes to the filesystem. My understanding was that the user needs to be added in the Dockerfile instructions when an image is built. I guess I misunderstood the container immutability. Would you care to explain?
@howtocodewell
4 жыл бұрын
Great question I will need to review the video to see what I did but a stopped container is not a deleted container. You can start a stopped container whilst still preserving it's data.
docker run -it -u pete ubuntu /bin/bash docker: Error response from daemon: unable to find user pete: no matching entries in passwd file.
Can one create an extra user in the dockerfile? For instance I run an app and filebeats, filebeats must run as user filebeat but my other app run on his usual user, I assume root.
@howtocodewell
3 жыл бұрын
Yes, you can can create a user in a Dockerfile
just wow
@howtocodewell
3 жыл бұрын
I hope that’s a good wow 😅🤣
I was looking for the Docker File Instruction USER
@howtocodewell
3 жыл бұрын
Ok, Sorry you didn't find what you needed
Nice quick demo! One question though: why can you simply "log in" as user pete into the container without requiring to enter any password?
@howtocodewell
4 жыл бұрын
I didn't set a password and so one is not required
@dominikkaspar6254
4 жыл бұрын
@@howtocodewell Alright. Never mind :) At 2:50 it just sounds like you're typing something into the "Enter new UNIX password" prompt
can we map local users into a container?
@howtocodewell
6 жыл бұрын
+Roman Silinenko yes you can by mapping the uid. However, by default the container runs as root. I recommend that you find the uid of the the host user and map that to the container user.
@deepmalayadav7473
3 жыл бұрын
@@howtocodewell can you please provide any solution for this: Azure Active directory is not working inside the container with my user as well as individual uses?