[Snyk] Security upgrade alpine from 3.16 to 3.22.2

[cruizen]

Snyk has created this PR to fix 2 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):

• hostplumber/Dockerfile

We recommend upgrading to alpine:3.22.2, as this image has only 0 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
	Out-of-bounds Write SNYK-ALPINE316-BUSYBOX-6913410	514
	Out-of-bounds Write SNYK-ALPINE316-BUSYBOX-6913410	514
	CVE-2025-26519 SNYK-ALPINE316-MUSL-8720632	364
	CVE-2025-26519 SNYK-ALPINE316-MUSL-8720632	364

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• 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.
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Summary by Bito

This pull request upgrades the Docker base image from Alpine 3.16 to 3.22.2 to enhance security. The update addresses known security vulnerabilities including out-of-bounds writes and other issues identified by Snyk. This change strengthens the overall security posture of the container environment without functional modifications.

[bito-code-review]

Code Review Agent Run #34635b

Actionable Suggestions - 0

Review Details

• Files reviewed - 1 · Commit Range: 3fee382..3fee382

  • hostplumber/Dockerfile
• Files skipped - 0
• Tools

  • Whispers (Secret Scanner) - ✔︎ Successful
  • Detect-secrets (Secret Scanner) - ✔︎ Successful

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Changelist by Bito

This pull request implements the following key changes.

Key Change	Files Impacted
Bug Fix - Security Vulnerability Patch	- Dockerfile - Upgraded base image from alpine:3.16 to alpine:3.22.2 to address security vulnerabilities and enhance system protection.

[bito-code-review]

Interaction Diagram by Bito

sequenceDiagram
participant Dev as Developer
participant Repo as Git Repository
participant CI as GitHub Actions
participant Docker as Docker Build
participant File as 🔄 hostplumber/Dockerfile<br/>(MODIFIED)
participant Registry as Quay.io Registry
participant K8s as Kubernetes Cluster
participant Luigi as Luigi Operator
Note over File: Alpine base image updated<br/>from 3.16 to 3.22.2
Dev->>Repo: Push Dockerfile changes
Repo->>CI: Trigger hostplumber build workflow
CI->>Docker: Execute make img-build-push
Docker->>File: Build container with new Alpine base
File->>Docker: Return built image
Docker->>Registry: Push hostplumber image
Registry-->>Luigi: Pull updated image for deployment
Luigi-->>K8s: Deploy HostPlumber with new base image

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Critical path: Git Repository->GitHub Actions->hostplumber/Dockerfile (MODIFIED)->Quay.io Registry->Luigi Operator->Kubernetes Cluster

Note: The HostPlumber Dockerfile base image was updated from Alpine 3.16 to 3.22.2. This triggers the CI/CD pipeline to rebuild and push the container image, which downstream Kubernetes deployments will pull for enhanced security and updated system packages.