[Snyk] Security upgrade ruby from 3.3.4-alpine to 3.3.9-alpine

[puppe1990]

Snyk has created this PR to fix 3 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):

• dockerfile

We recommend upgrading to ruby:3.3.9-alpine, as this image has only 2 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
	Access of Resource Using Incompatible Type ('Type Confusion') SNYK-ALPINE320-OPENSSL-7895537	614
	Access of Resource Using Incompatible Type ('Type Confusion') SNYK-ALPINE320-OPENSSL-7895537	614
	CVE-2024-58251 SNYK-ALPINE320-BUSYBOX-14102403	436
	CVE-2024-58251 SNYK-ALPINE320-BUSYBOX-14102403	436
	CVE-2025-46394 SNYK-ALPINE320-BUSYBOX-14102404	436

---

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.

---

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

For more information:
🧐 View latest project report
📜 Customise PR templates
🛠 Adjust project settings
📚 Read about Snyk's upgrade logic

---

Learn how to fix vulnerabilities with free interactive lessons:

🦉 Access of Resource Using Incompatible Type ('Type Confusion')

[puppe1990]

Superseded by commit 9996831 on main, which consolidated the compatible dependency upgrades from the open Snyk PR set.