[Snyk] Security upgrade alpine from latest to 3.23.3

[sammcj]

Snyk has created this PR to fix 0 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 alpine:3.23.3, as this image has only 0 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

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[Copilot]

Pull request overview

This pull request upgrades the Alpine base image in the Dockerfile from the latest tag to a pinned version 3.23.3. This change was automatically generated by Snyk to improve security posture by using a specific, versioned base image instead of the floating latest tag.

Changes:

• Pinned Alpine base image from latest to version 3.23.3 in the multi-stage Dockerfile

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