[Snyk] Security upgrade alpine from 3.17 to 3 (#3402)
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
- build/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 |
| :------: | :-------------------- | :---- | :--------------- |
|  | **300** | Out-of-bounds Read <br/>[SNYK-ALPINE317-OPENSSL-5438697](https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-5438697) | No Known Exploit |
|  | **300** | Out-of-bounds Read <br/>[SNYK-ALPINE317-OPENSSL-5438697](https://snyk.io/vuln/SNYK-ALPINE317-OPENSSL-5438697) | 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: <img src="https://api.segment.io/v1/pixel/track?data=eyJ3cml0ZUtleSI6InJyWmxZcEdHY2RyTHZsb0lYd0dUcVg4WkFRTnNCOUEwIiwiYW5vbnltb3VzSWQiOiJhMWFlMDZiMi0xZjZhLTQwM2EtOTgzMC01NmU4ZTRhYmE4MDkiLCJldmVudCI6IlBSIHZpZXdlZCIsInByb3BlcnRpZXMiOnsicHJJZCI6ImExYWUwNmIyLTFmNmEtNDAzYS05ODMwLTU2ZThlNGFiYTgwOSJ9fQ==" width="0" height="0"/>
🧐 [View latest project report](https://app.snyk.io/org/alcion/project/4c1165db-1d77-4278-b861-48e29b49c4e7?utm_source=github-enterprise&utm_medium=referral&page=fix-pr)
🛠 [Adjust project settings](https://app.snyk.io/org/alcion/project/4c1165db-1d77-4278-b861-48e29b49c4e7?utm_source=github-enterprise&utm_medium=referral&page=fix-pr/settings)
[//]: # 'snyk:metadata:{"prId":"a1ae06b2-1f6a-403a-9830-56e8e4aba809","prPublicId":"a1ae06b2-1f6a-403a-9830-56e8e4aba809","dependencies":[{"name":"alpine","from":"3.17","to":"3"}],"packageManager":"dockerfile","projectPublicId":"4c1165db-1d77-4278-b861-48e29b49c4e7","projectUrl":"https://app.snyk.io/org/alcion/project/4c1165db-1d77-4278-b861-48e29b49c4e7?utm_source=github-enterprise&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-ALPINE317-OPENSSL-5438697"],"upgrade":["SNYK-ALPINE317-OPENSSL-5438697","SNYK-ALPINE317-OPENSSL-5438697"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[300],"remediationStrategy":"vuln"}'
---
**Learn how to fix vulnerabilities with free interactive lessons:**
🦉 [Learn about vulnerability in an interactive lesson of Snyk Learn.](https://learn.snyk.io/?loc=fix-pr)