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Editors and IDEs

7 min read

Learn how to connect your favorite editors and IDEs to your remote workspace.

There are five primary ways you can connect an IDE to your Coder workspace:

  1. VS Code remote SSH with local VS Code
  2. VS Code in the browser with code-server
  3. JetBrains in the browser with JetBrains Projector
  4. JetBrains' Code With Me
  5. RStudio
  6. Any local editor with 1-way file synchronization or 2-way file synchronization over SSH

VS Code remote SSH

Once you've set up SSH access to Coder, you can work on projects from your local VS Code, connected to your Coder workspace for compute, etc.

  1. Open VS Code locally.
  2. Make sure that you've installed Remote - SSH extension
  3. In VS Code's left-hand nav bar, click Remote Explorer and right-click on a workspace to connect

VS Code Remote Explorer

VS Code in the browser

Launch VS Code in the browser from the workspaces page by clicking the Code Web icon.

Launch a workspace

JetBrains IDEs in the browser

If your image includes a JetBrains IDE, you can launch it from the dashboard. Coder launches JetBrains IDEs in their own windows; be sure to set your browser to allow popup windows so that you can use your IDE.

JetBrains logos

If you need a valid license to run your IDE locally, you'll also need one to run it in Coder.

Manually installing JetBrains' IDEs

You can also manually install JetBrains' IDEs. After following JetBrains' steps for installing your IDE (make sure that you install the IDE to your home directory), create a symlink, and add it to PATH.

The symlink names supported by Coder are:

  • clion
  • datagrip
  • goland
  • intellij-idea-ultimate
  • intellij-idea-community
  • phpstorm
  • pycharm
  • pycharm-community
  • rider
  • rubymine
  • webstorm

System requirements

For the best possible experience, we recommend running the editor in an workspace with the following resources at a minimum:

  • 8 GB RAM
  • 4 CPU cores

Known issues

  • Window dragging behavior can misalign with mouse movements
  • Popover dialogs do not always appear in the correct location
  • Popup windows are missing titles and window controls
  • Some theme-based plugins can cause the IDE to render incorrectly
  • Some minor rendering artifacts occur during regular usage

Code With Me

JetBrains' Code With Me allows you to collaborate with others in real-time on your project and enables pair programming.

You must have a JetBrains IDE installed in your image to use Code With Me.

Getting started

To set up a Code With Me session:

  1. The host creates a session and shares the information needed to join the session with other participants.
  2. The participants use the information provided by the host to join the session and request access.
  3. The host accepts the participants' request to join the session created by the host.

Step 1: Start and host a session

To create and host a Code With Me session:

  1. Log in to Coder.

  2. Under Applications, launch the JetBrains IDE (e.g., GoLand) of your choice.

    Launch IDE

  3. Click the Code With Me icon at the top of your IDE.

    Code With Me icon

  4. Select Enable Access and Copy Invitation Link....

    Enable access and copy link

  5. Confirm and accept the Terms of Use.

  6. Set the permissions for new guests to Full access and uncheck the Automatically start voice call feature. Click Enable Access.

    Set permissions

  7. Once you've enabled access, JetBrains copies the link you must share with participants to your clipboard. Send this link to those with whom you'd like to collaborate.

    You can recopy this link at any time by clicking the Code With Me icon and choosing Copy Invitation Link....

    Link confirmation

Step 2: Request to join the session

If you've received a link to join a Code With Me session as a participant:

  1. Copy the Code With Me session link that you were provided, and paste it into your web browser. You'll be directed to a webpage with further instructions.

  2. On the instructions page to which you were directed, copy the code snippet and run it in the terminal.

    Run join command in terminal

  3. Confirm and accept the User Agreement.

  4. You'll be shown a security code. Verify with the host of your session that they see the same code.

    Security code verification

  5. Wait for your host to accept your request to join; when they do, your JetBrains IDE will launch automatically.

    New JetBrains IDE

Step 3: Accept the request to the join

If you're the host of the session, you'll see a request that the other participant wants to join your project, the permissions you've granted to the other user, and a security code.

Security code verification for host

Verify that the security code you see matches the one shown to your participants. If they do, click Accept to proceed.

At this point, you'll be able to share your project and work with your partner in real-time.

RStudio

Coder supports RStudio. To create a workspace that lets you use RStudio:

  1. Create a custom image with RStudio installed, rserver and pgrep in PATH, and RStudio configured to run on the default port (8787).

    To do this, you can refer to the sample Dockerfile below, which installs RStudio Server Open Source and creates a Unix user to log in with username coder and password rstudio.

    FROM ubuntu:20.04
    
    USER root
    
    # Install dependencies
    RUN apt-get update && \
    DEBIAN_FRONTEND="noninteractive" apt-get install --yes \
    bash \
    sudo \
    git \
    ssh \
    locales \
    wget \
    r-base \
    gdebi-core
    
    # Install RStudio
    RUN wget
    https://download2.rstudio.org/server/bionic/amd64/rstudio-server-1.4.1717-amd64.deb
    && \
    gdebi --non-interactive rstudio-server-1.4.1717-amd64.deb
    
    # Create coder user
    RUN useradd coder \
    --create-home \
    --shell=/bin/bash \
    --uid=1000 \
    --user-group && \
    echo "coder ALL=(ALL) NOPASSWD:ALL" >>/etc/sudoers.d/nopasswd
    
    # Ensure rstudio files can be written to by the coder user.
    RUN chown -R coder:coder /var/lib/rstudio-server
    RUN echo "server-pid-file=/tmp/rstudio-server.pid" >> /etc/rstudio/rserver.conf
    RUN echo "server-data-dir=/tmp/rstudio" >> /etc/rstudio/rserver.conf
    
    # Assign password "rstudio" to coder user.
    RUN echo 'coder:rstudio' | chpasswd
    
    # Assign locale
    RUN locale-gen en_US.UTF-8
    
    # Run as coder user
    USER coder
    
    # Add RStudio to path
    ENV PATH /usr/lib/rstudio-server/bin:${PATH}
    
  2. Create a workspace using the image you created in the previous step.

  3. At this point, you can go to Applications to launch RStudio.

    Applications with RStudio launcher

    Sign in using the Unix user (whose username and password you defined in your image).

    RStudio may take a few additional seconds to start launch after the workspace is built.

    All RStudio data is stored in the home directory associated with the user you sign in as

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