[INFRA-461] chore: bump nginx to 1.31-alpine in web and admin Dockerfiles

[akshat5302]

Description

Bumps the nginx base image from 1.29-alpine to 1.31-alpine in the production stage of the web and admin Dockerfiles.

• apps/web/Dockerfile.web
• apps/admin/Dockerfile.admin

nginx:1.31-alpine is confirmed to exist on Docker Hub.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• Feature (non-breaking change which adds functionality)
• Improvement (change that would cause existing functionality to not work as expected)
• Code refactoring
• Performance improvements
• Documentation update

Screenshots and Media (if applicable)

Test Scenarios

• Build the web and admin Docker images and verify they start correctly with nginx:1.31-alpine.
• Confirm nginx serves the app as expected on the expected ports.

References

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🤖 Generated with Claude Code

Summary by CodeRabbit

• Chores
  • Updated the production web and admin server images to use a newer Nginx Alpine release.
  • Existing build and serving behavior remains unchanged.

[coderabbitai]

📝 Walkthrough

Walkthrough

The admin and web production Docker stages are updated from nginx:1.29-alpine to nginx:1.31-alpine; their remaining build and runtime steps are unchanged.

Changes

Nginx base image updates

Layer / File(s)	Summary
Update production nginx images apps/admin/Dockerfile.admin, apps/web/Dockerfile.web	Both production stages now use nginx:1.31-alpine instead of nginx:1.29-alpine.

Estimated code review effort: 1 (Trivial) | ~2 minutes

Suggested reviewers: sriramveeraghanta

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title clearly summarizes the nginx version bump in the web and admin Dockerfiles.
Description check	✅ Passed	The description follows the template and includes the change summary, type, test scenarios, screenshots placeholder, and references.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chore/nginx-1.31-alpine

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[Copilot]

Pull request overview

Updates the production nginx base image used to serve the built static assets for the web and admin apps, aligning both Dockerfiles on a newer nginx Alpine tag.

Changes:

• Bump apps/web/Dockerfile.web production stage base image from nginx:1.29-alpine to nginx:1.31-alpine.
• Bump apps/admin/Dockerfile.admin production stage base image from nginx:1.29-alpine to nginx:1.31-alpine.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
apps/web/Dockerfile.web	Updates nginx base image tag in the production serving stage.
apps/admin/Dockerfile.admin	Updates nginx base image tag in the production serving stage.

[makeplane]

Linked to Plane Work Item(s)

• (INFRA-461) Bump nginx to 1.31-alpine in web and admin Dockerfiles (plane-ce)

This comment was auto-generated by Plane