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Code Server Configuration

AIO Sandbox includes code-server so you can open a browser-based VS Code environment inside the sandbox.

Access

http://localhost:8080/code-server/

The editor shares the same filesystem as shell, browser downloads, Jupyter, and file APIs.

Environment Variables

VariableDefaultPurpose
CODE_SERVER_PORT8200Internal code-server port
DISABLE_CODE_SERVERfalseDisable code-server when set to a truthy value
WORKSPACE/home/gemDefault folder opened by code-server

Install Extensions At Startup

Use a lifecycle hook for light customization:

docker run --security-opt seccomp=unconfined --rm -it \
  -p 8080:8080 \
  -e RUN_HOOK_PRE_SERVICES="code-server --install-extension ms-python.python" \
  ghcr.io/agent-infra/sandbox:latest

For repeatable team environments, build a custom image with extensions preinstalled.

Tips

  • Mount project code into WORKSPACE.
  • Use Preview Proxy to view apps started from the editor terminal.
  • Disable code-server in API-only deployments to reduce resource usage.