Question

How I can expose extra ports in my digital ocean docker container?

Posted April 1, 2021 665 views
DockerDeploymentDevelopmentVS Code

Good Day!
I deployed docker container used service “APP - > Docker Hub” (not a droplet).
For image I used https://hub.docker.com/r/linuxserver/code-server with code-server.

When I was configuring container, I could expose only one port - port 8443.
I wanna use that container for remoute web development.
And I need some open ports like 3000, 5000 and etc.

When I deployed that image on my own local docker server I used docker-compose file, where added neccesary extra ports

ports:
- 8443:8443
- 3000:3000
- 8000:8000
- 5000:5000

I search for answer on a forum, and found only that.
https://www.digitalocean.com/community/questions/how-do-i-update-the-do-docker-droplet-to-enable-ports-80-and-443

But there is a little bit something else.

1)How I can expose extra ports in my digital ocean docker container?
2)Or I have to deploy droplet, install there docker and deploy my yaml docker-compose file
3)Or I have to deploy droplet and install there code-server directly.
4)And why in the marketplace isn’t pre-built Droplet image with a code-server? Or may be I could not find that one.

edited by MattIPv4

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1 answer

Hi there,

There was a similar question regarding the DigitalOcean App Platform here:

https://www.digitalocean.com/community/questions/is-it-possible-to-open-two-external-ports-on-one-app

Kamal answered that it’s currently not possible to expose multiple external ports on a Service. If it works with your setup you could use the same websocket server and put the existing servers under separate path prefixes

Alternatively, you could use a Droplet with Docker installed:

https://marketplace.digitalocean.com/apps/docker

Once you have a Droplet with a Docker installed you can follow the steps from the answer that you’ve shared in order to start a container with multiple exposed ports.

Also, you can follow the steps on how to run code server on your Droplet here:

https://www.digitalocean.com/community/questions/run-vscode-in-browser-from-a-remote-server

As of the time being there is no image with code server on the Marketplace.

Hope that this helps.
Regards,
Bobby