$ show openai/codex-universal
codex-universal is a Docker image that provides a universal development environment with multiple language runtimes and tools. It allows users to configure specific versions of Python, Node.js, Rust, Go, Swift, Ruby, PHP, and Java via environment variables at runtime. The image is built from Ubuntu 24.04 and includes a wide array of development tools. The architecture is monolithic but modular via environment variable-driven configuration. Key entry points are the Docker container's entrypoint script which runs setup_universal.sh and then starts a bash shell. The system relies on external package managers (apt, pyenv, nvm, rustup, etc.) and scripts from external sources for installation.
The LLM identified 2 files worth highlighting for reuse:
This script configures language runtimes based on CODEX_ENV_* environment variables. It handles Python, Node.js, Ruby, Rust, Go, Swift, PHP, and Java, conditionally installing or switching versions only if necessary to avoid redundant work. It demonstrates skill in idempotent setup, version switching, and modular design, making it reusable in other projects requiring multi-language version management.
This script tests the setup_universal.sh script across a matrix of versions for each supported language. It iterates through predefined version arrays, sets the corresponding environment variables, and runs the setup script for each combination. It showcases comprehensive testing practices, parameterized execution, and robust error handling (set -euo pipefail), making it a reusable pattern for validating environment setup scripts.