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Java sample project for trying out the VS Code Remote - Containers extension
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Try Out Development Containers: Java

This is a sample project that lets you try out the VS Code Remote - Containers extension in a few easy steps.

Note: If you're following the quick start, you can jump to the Things to try section.

Setting up the development container

Follow these steps to open this sample in a container:

  1. If this is your first time using a development container, please follow the getting started steps.

  2. Linux users: Update USER_UID and USER_GID in .devcontainer/Dockerfile with your user UID/GID if not 1000 to avoid creating files as root.

  3. If you're not yet in a development container:

    • Clone this repository.
    • Press F1 and select the Remote-Containers: Open Folder in Container... command.
    • Select the cloned copy of this folder, wait for the container to start, and try things out!

Things to try

Once you have this sample opened in a container, you'll be able to work with it like you would locally.

Note: This container runs as a non-root user with sudo access by default. Comment out "-u", "vscode" in .devcontainer/devcontainer.json if you'd prefer to run as root.

Some things to try:

  1. Edit:
    • Open src/main/java/com/mycompany/app/
    • Try adding some code and check out the language features.
  2. Terminal: Press Ctrl+Shift+` and type uname and other Linux commands from the terminal window.
  3. Build, Run, and Debug:
    • Open src/main/java/com/mycompany/app/
    • Add a breakpoint.
    • Press F5 to launch the app in the container.
    • Once the breakpoint is hit, try hovering over variables, examining locals, and more.
  4. Run a Test:
    • Open src/main/java/com/mycompany/app/
    • Put a breakpoint in a test.
    • Click the Debug Test in the Code Lens above the function and watch it hit the breakpoint.


This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit

When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact with any additional questions or comments.


Copyright © Microsoft Corporation All rights reserved.
Licensed under the MIT License. See LICENSE in the project root for license information.

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