[Snyk] Security upgrade mysql from latest to 8.0

[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

• docker/db/Dockerfile

We recommend upgrading to mysql:8.0, as this image has only 77 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
	500	Integer Overflow or Wraparound SNYK-DEBIAN10-GLIBC-1315333	No Known Exploit
	833	Buffer Overflow SNYK-DEBIAN10-OPENSSL-1569403	No Known Exploit
	833	Buffer Overflow SNYK-DEBIAN10-OPENSSL-1569403	No Known Exploit
	733	Out-of-bounds Read SNYK-DEBIAN10-OPENSSL-1569406	No Known Exploit
	733	Out-of-bounds Read SNYK-DEBIAN10-OPENSSL-1569406	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