[Snyk] Security upgrade nginx from 1.15 to 1.20.1

[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

• client/Dockerfile

We recommend upgrading to nginx:1.20.1, as this image has only 111 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
	714	Out-of-bounds Read SNYK-DEBIAN9-LIBXML2-429367	No Known Exploit
	614	NULL Pointer Dereference SNYK-DEBIAN9-LIBXML2-429564	No Known Exploit
	614	Missing Release of Resource after Effective Lifetime SNYK-DEBIAN9-LIBXML2-539774	No Known Exploit
	614	Loop with Unreachable Exit Condition ('Infinite Loop') SNYK-DEBIAN9-LIBXML2-542924	No Known Exploit
	614	Improper Resource Shutdown or Release SNYK-DEBIAN9-LIBXML2-542930	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