chore(tiflow): bump node to 18.20.4

[zhaomeng-a]

No description provided.

[ti-chi-bot]

I have already done a preliminary review for you, and I hope to help you do a better job.

Summary
This PR updates the Node.js version used in the Tiflow Docker build environment from 16.20.2 to 18.20.4 by changing the ARG NODE_VERSION in the Dockerfile. The change is minimal and straightforward, focusing solely on bumping the Node version. The update is consistent with keeping dependencies current and likely benefits from Node 18's improved features and security. Overall, the change is low risk but important for environment consistency.

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Code Improvements

• Dockerfile: dockerfiles/cd/builders/tiflow/Dockerfile line 26
  • The ARG NODE_VERSION was updated from 16.20.2 to 18.20.4, but the Dockerfile snippet does not show how this ARG is used to install Node.js.
  • Suggestion: Verify that the rest of the Dockerfile or build scripts correctly use this ARG to install the specified Node version. If the Dockerfile hardcodes the Node.js installation elsewhere (e.g., a separate RUN command or base image), this ARG update alone may not fully upgrade Node.js.
  • Additionally, consider adding a comment or documentation near this ARG to clarify how the Node.js version is installed or managed in the build process for future maintainers.

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Best Practices

• Testing coverage gaps

  • This PR does not include any verification or tests that the new Node.js version works correctly in the build environment or runtime.
  • Suggestion: Add a simple smoke test or validation step in the CI pipeline to confirm the Node.js version after the build, e.g., node -v output, to catch potential issues early.

• Documentation needs

  • No update to related documentation (if any) about the Node.js version used in this service or environment.
  • Suggestion: If there are docs specifying the Node version or environment setup, update them accordingly to reflect this bump.

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No critical issues or security concerns detected given the limited scope of the change. The PR is concise but would benefit from explicit verification that the Node.js version bump is effective.

[gemini-code-assist]

Summary of Changes

Hello @zhaomeng-a, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request updates the Node.js runtime version within the TiFlow Docker build environment. This ensures that the build process utilizes a more recent and supported version of Node.js, aligning with current best practices and potentially incorporating performance improvements or security patches.

Highlights

• Node.js Version Bump: The Node.js version used in the tiflow Docker build image has been updated from 16.20.2 to 18.20.4.

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[gemini-code-assist]

Code Review

This pull request updates the Node.js version from 16.20.2 to 18.20.4 in the Dockerfile for the tiflow builder. This is a good maintenance update, as it moves from an end-of-life version of Node.js to a current Long-Term Support (LTS) version. The change is straightforward and appears correct.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: wuhuizuo

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Details

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• OWNERS [wuhuizuo]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2026-02-01 06:22:42.165935144 +0000 UTC m=+1511789.779892000: ☑️ agreed by wuhuizuo.