I have built a droplet with Ubuntu 18.04 and Docker CE edition. For teaching purposes, I want to run 18 times the same container based on a Docker image hosted on DockerHub: https://hub.docker.com/repository/docker/scienceparkstudygroup/master-gls
When I run one container and expose it on the 8787 port, everything runs smoothly and I can access the RStudio instance at my droplet IP address + :8787.
docker run --rm --name rstudio -e PASSWORD=mypwd -p 8787:8787 scienceparkstudygroup/master-gls:openr-latest
My problem is to create multiple instances of the same container but expose it to different ports. I have tried Docker-compose but no success so far.
Any idea? In advance thank you Marc
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Hi there @mgalland,
You would just need to adjust the
-pargument and change the first part from 8787 to the new port that you would like to use.
Note: Make sure to use different names as well otherwise it would not work.
You could also add Nginx as a reverse proxy to the set up:
Here’s a quick video demo on how to do the above:
Hope that this helps! Regards, Bobby
Hello bobby Thank you, it worked like a charm. I am now running my containers with the
--detachoption. Still struggling a bit to mount a volume within my machine for each container but I’ll probably figure this out myself. Thanks again marc