fix: pin @openai/codex version to 0.55.0 in DevContainer

[keito4]

Summary

• DevContainerのDockerfileで@openai/codexパッケージのバージョンを0.55.0に固定
• ビルド時の一貫性と安定性を確保

Test plan

• DevContainerを再ビルドして正常に起動することを確認
• @openai/codexが期待通りのバージョンでインストールされることを確認

🤖 Generated with Claude Code

Summary by CodeRabbit

• Chores
  • Updated development environment configuration with pinned dependency versions to ensure consistent and reproducible builds across development setups.

[coderabbitai]

Walkthrough

The .devcontainer/Dockerfile was updated to pin the OpenAI Codex npm package to version 0.55.0 in the global npm install step, replacing an unversioned package specification with an explicit version constraint.

Changes

Cohort / File(s)	Change Summary
Docker Development Container Configuration \.devcontainer/Dockerfile	Pinned OpenAI Codex npm package to version 0.55.0 in global npm install step, changing from unversioned to explicitly versioned dependency

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

• Simple version pinning change in a container configuration file
• No logic changes, control flow modifications, or error handling adjustments

Poem

🐰 A version pinned, so snug and tight,
Codex at 0.55 shines so bright,
No more dancing with the latest whim,
Dependencies fixed, future prospects trim! ✨

Pre-merge checks and finishing touches

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: pinning the @openai/codex package to a specific version in the DevContainer Dockerfile.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/pin-codex-version

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[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

.devcontainer/Dockerfile (1)

46-46: Consider pinning all npm packages for full reproducibility.

The latest version of @openai/codex is 0.53.0, though 0.55.0 was published as a valid release. Pinning @openai/codex to 0.55.0 achieves consistency for that package, but the other packages on this line—typescript, eslint, @anthropic-ai/claude-code, and vercel—remain unpinned. This means the Docker image builds may still be non-reproducible if these packages receive updates.

To ensure the stated goal of "build-time consistency and stability," consider pinning all global packages to specific versions.

Apply this diff to pin all packages:

-RUN npm install -g typescript eslint @anthropic-ai/claude-code @openai/codex@0.55.0 vercel
+RUN npm install -g typescript@5.X.X eslint@8.X.X @anthropic-ai/claude-code@<version> @openai/codex@0.55.0 vercel@<version>

(Replace X.X and <version> placeholders with the specific versions you want to lock.)

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between bc991e0 and 5824ed4.

📒 Files selected for processing (1)

• .devcontainer/Dockerfile (1 hunks)

🧰 Additional context used

🧠 Learnings (3)

📓 Common learnings

Learnt from: CR
Repo: keito4/config PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-08-29T14:37:56.575Z
Learning: Applies to .github/workflows/docker-image.yml : Maintain DevContainer image build workflow at .github/workflows/docker-image.yml with semantic versioning and multi-platform support

Learnt from: CR
Repo: keito4/config PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-08-29T14:37:56.575Z
Learning: Applies to .github/workflows/docker-image.yml : Publish DevContainer images to ghcr.io/keito4/config-base via the Docker image workflow

📚 Learning: 2025-08-29T14:37:56.575Z

Learnt from: CR
Repo: keito4/config PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-08-29T14:37:56.575Z
Learning: Applies to .github/workflows/docker-image.yml : Maintain DevContainer image build workflow at .github/workflows/docker-image.yml with semantic versioning and multi-platform support

Applied to files:

• .devcontainer/Dockerfile

📚 Learning: 2025-08-29T14:37:56.575Z

Learnt from: CR
Repo: keito4/config PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-08-29T14:37:56.575Z
Learning: Applies to .github/workflows/claude.yml : Provide Claude Code integration workflow at .github/workflows/claude.yml triggered by claude mentions

Applied to files:

• .devcontainer/Dockerfile

[github-actions]

🎉 This PR is included in version 1.1.1 🎉

The release is available on GitHub release

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