viyatb-oai dbfe855f4f feat(devcontainer): add separate secure customer profile (#10431)
## Description

Keeps the existing Codex contributor devcontainer in place and adds a
separate secure profile for customer use.

## What changed

- leaves `.devcontainer/devcontainer.json` and the contributor
`Dockerfile` aligned with `main`
- adds `.devcontainer/devcontainer.secure.json` and
`.devcontainer/Dockerfile.secure`
- adds secure-profile bootstrap scripts:
  - `post_install.py`
  - `post-start.sh`
  - `init-firewall.sh`
- updates `.devcontainer/README.md` to explain when to use each path

## Secure profile behavior

The new secure profile is opt-in and is meant for running Codex in a
stricter project container:

- preinstalls the Codex CLI plus common build tools
- uses persistent volumes for Codex state, Cargo, Rustup, and GitHub
auth
- applies an allowlist-driven outbound firewall at startup
- blocks IPv6 by default so the allowlist cannot be bypassed via AAAA
routes
- keeps the stricter networking isolated from the default contributor
workflow

## Resulting behavior

- `devcontainer.json` remains the low-friction Codex contributor setup
- `devcontainer.secure.json` is the customer-facing secure option
- the repo supports both workflows without forcing the secure profile on
Codex contributors
dbfe855f4f · 2026-04-10 23:32:06 -07:00
5,273 Commits
2026-03-26 16:50:07 -07:00
2025-04-16 12:56:08 -04:00
2026-02-06 14:41:53 +01:00
2025-04-16 12:56:08 -04:00
2026-03-10 04:11:31 +00:00
2026-04-07 10:55:58 -07:00

npm i -g @openai/codex
or brew install --cask codex

Codex CLI is a coding agent from OpenAI that runs locally on your computer.

Codex CLI splash


If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.


Quickstart

Installing and running Codex CLI

Install globally with your preferred package manager:

# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex

Then simply run codex to get started.

You can also go to the latest GitHub Release and download the appropriate binary for your platform.

Each GitHub Release contains many executables, but in practice, you likely want one of these:

  • macOS
    • Apple Silicon/arm64: codex-aarch64-apple-darwin.tar.gz
    • x86_64 (older Mac hardware): codex-x86_64-apple-darwin.tar.gz
  • Linux
    • x86_64: codex-x86_64-unknown-linux-musl.tar.gz
    • arm64: codex-aarch64-unknown-linux-musl.tar.gz

Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.

Using Codex with your ChatGPT plan

Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.

You can also use Codex with an API key, but this requires additional setup.

Docs

This repository is licensed under the Apache-2.0 License.

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