[Docker](https://docs.docker.com/get-docker/) and[Coder](../install/index.md)

installed on it.

- When setting up your computer or computing instance, make sure to install Docker first, then Coder. Otherwise, you'll need to add the`coder` user to the`docker` group.

- When setting up your computer or computing instance, make sure to install

Docker first, then Coder. Otherwise, you'll need to add the`coder` user to

the`docker` group.

- The URL for your Coder instance. If you're running Coder locally, the default

URL is[http://127.0.0.1:3000](http://127.0.0.1:3000).

[web IDEs](../user-guides/workspace-access/web-ides.md) such as

[code-server](https://coder.com/docs/code-server), RStudio, and JupyterLab.

To install code-server in the workspace, remember that we installed it in

the`startup_script` argument in`coder_agent`. We make it available from a

To install code-server in the workspace, remember that we installed it in the

`startup_script` argument in`coder_agent`. We make it available from a

workspace with a`coder_app` resource. See

[web IDEs](../user-guides/workspace-access/web-ides.md) for more examples.