[Snyk] Security upgrade alpine from 3.17.1 to 3

[snyk-bot]

Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Changes included in this PR

• Dockerfile

We recommend upgrading to alpine:3, as this image has only 0 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Some of the most important vulnerabilities in your base image include:

Severity	Priority Score / 1000	Issue	Exploit Maturity
	400	NULL Pointer Dereference SNYK-ALPINE317-OPENSSL-3314647	No Known Exploit
	400	Use After Free SNYK-ALPINE317-OPENSSL-3314650	No Known Exploit
	400	Access of Resource Using Incompatible Type ('Type Confusion') SNYK-ALPINE317-OPENSSL-3314651	No Known Exploit
	400	Double Free SNYK-ALPINE317-OPENSSL-3314657	No Known Exploit
	400	Improper Certificate Validation SNYK-ALPINE317-OPENSSL-3368755	No Known Exploit

---

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

🛠 Adjust project settings

---

Learn how to fix vulnerabilities with free interactive lessons:

🦉 NULL Pointer Dereference 🦉 Use After Free