Update curlimages/curl Docker tag to v8.15.0

[KubeArchitectBot]

This PR contains the following updates:

Package	Update	Change
curlimages/curl	minor	8.5.0 -> 8.15.0

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Release Notes

curl/curl-container (curlimages/curl)

v8.15.0

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Changed

• bump to curl 8.15.0
• bump to alpine 3.22.1

v8.14.1

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Changed

v8.13.0

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• bump to curl 8.13.0
• bump to alpine:3.21.3

v8.12.1

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• bump to curl 8.12.1

v8.12.0

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• bump to curl 8.12.0
• bump to alpine:3.21.2

v8.11.1

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Changed

• bump to curl 8.11.1
• bump to alpine:3.21.0

v8.11.0

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Changed

• bump to curl 8.11.0

v8.10.1

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• bump to curl 8.10.1

v8.10.0

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• bump to curl 8.10.0
• bump to alpine:3.20.3

v8.9.1

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• bump to curl 8.9.1

v8.9.0

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• bump to curl 8.9.0
• bump to alpine 3.20.2

v8.8.0

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• bump to curl 8.8.0

v8.7.1

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• bump to curl 8.7.1

v8.6.0

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• bump to curl 8.6.0
• bump to alpine 3.19.1

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[claude]

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PR Review: Update curlimages/curl Docker tag to v8.15.0

Todo List:

• Read the changed Helm template file
• Analyze the curl version update (8.5.0 → 8.15.0)
• Review release notes for security fixes and breaking changes
• Assess impact on the secure notes application
• Provide comprehensive review feedback

Review Feedback

Code Quality & Best Practices ✅

• Change scope: The update only affects the init container image in helm/secure-notes/templates/frontend-deployment.yaml:52
• Pinned digest: Good security practice using both tag and SHA256 digest for image pinning
• Purpose: The init container properly waits for backend health before starting the frontend container

Security Considerations ✅

• Image source: curlimages/curl is the official curl container image, maintained by the curl project
• Security updates: The jump from 8.5.0 → 8.15.0 includes multiple releases that likely contain security fixes
• Alpine base: Release notes show regular Alpine base image updates (3.19.1 → 3.22.1), improving security posture
• Digest verification: SHA256 digest ensures image integrity and prevents tag mutation attacks

Performance Considerations ✅

• Image size: Minimal impact as curlimages/curl is a lightweight Alpine-based image
• Init container: Used only during pod initialization, so runtime performance is unaffected
• No breaking changes: Based on release notes, this is a standard minor version update

Potential Issues ⚠️

Inconsistent versions across codebase:

1. Frontend deployment: ✅ Updated to 8.15.0 (this PR)
2. Values.yaml: ❌ Still uses 8.5.0 at helm/secure-notes/values.yaml:521
3. Deploy script: ❌ Still uses 8.5.0 at scripts/deploy-k8s.sh:303

This inconsistency could cause issues where different parts of the system use different curl versions.

Test Coverage 📝

• The change affects an init container used for health checks
• Existing Kubernetes deployment tests should validate the functionality
• Consider testing the health check endpoint accessibility with the new curl version

Recommendations

High Priority:

1. Complete the update: Update the remaining references in:
   • helm/secure-notes/values.yaml:521 (test image)
   • scripts/deploy-k8s.sh:303 (deployment script)

Medium Priority:
2. Validation: Verify the backend health endpoint (/api/v1/health) remains accessible with curl 8.15.0
3. Testing: Run integration tests to ensure the init container health checks work correctly

Overall Assessment

This is a safe and beneficial security update. The curl update includes multiple security fixes and Alpine base image updates. However, the PR is incomplete as it only updates one of three curl image references in the codebase.

Recommendation: Either expand this PR to update all curl references for consistency, or create follow-up issues to update the remaining files.

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