Builder

DevLEGO Builder

Select the bricks and ports you want, then copy the generated docker run command. Prefer Compose? Follow the Quickstart instead.

Components

Code Server — VS Code in the browser :38001 JupyterLab :38002 Jupyter Notebook :38003 ttyd — full terminal in a browser tab :38004

🧱 Claude Code and Codex CLIs are pre-installed in every build — no port, no toggle. An SSH server always runs on :38000.

Ports

SSH Port Code Server Port JupyterLab Port Jupyter Notebook Port ttyd Port

AI CLI keys

Pass ANTHROPIC_API_KEY and OPENAI_API_KEY from your shell into the container

Uses the bare -e VAR form — if a variable isn't set in your shell, Docker simply doesn't pass it in.

docker run