[Snyk] Security upgrade nginx from 1.26.1 to 1.29.5

[richard-vu]

Snyk has created this PR to fix 5 vulnerabilities in the dockerfile dependencies of this project.

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Snyk changed the following file(s):

• docker-tutorial/02-unit/Dockerfile

We recommend upgrading to nginx:1.29.5, as this image has only 75 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	CVE-2025-27363 SNYK-DEBIAN12-FREETYPE-9402511	829
	Integer Overflow or Wraparound SNYK-DEBIAN12-LIBAVIF-10180086	714
	Expired Pointer Dereference SNYK-DEBIAN12-LIBXML2-10350658	714
	Out-of-bounds Read SNYK-DEBIAN12-LIBXML2-10350668	714
	CVE-2024-56171 SNYK-DEBIAN12-LIBXML2-8732584	714

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Integer Overflow or Wraparound
🦉 Out-of-bounds Read

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✨ Finishing touches

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