[Snyk] Security upgrade nginx from latest to 1.31.3-trixie

[TheRedHatter]

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):

• public/Dockerfile.local

We recommend upgrading to nginx:1.31.3-trixie, as this image has only 162 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-2026-56210 SNYK-DEBIAN13-AOM-17385949	614
	CVE-2026-56209 SNYK-DEBIAN13-AOM-17385951	614
	Integer Overflow or Wraparound SNYK-DEBIAN13-EXPAT-15158113	614
	Algorithmic Complexity SNYK-DEBIAN13-EXPAT-16650098	614
	Heap-based Buffer Overflow SNYK-DEBIAN13-TIFF-17690412	614

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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
🦉 Heap-based Buffer Overflow

[TheRedHatter]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.

[TheRedHatter]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues
✅	Code Security	0	0	0	0	0 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.