fix: Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE315-FREETYPE-2834869
- https://snyk.io/vuln/SNYK-ALPINE315-FREETYPE-2834870

1 files changed, 1 insertions, 1 deletions

diff --git a/Dockerfile b/Dockerfile
index 860ef05..17d4e46 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:1.21.6-alpine
+FROM nginx:1.22.0-alpine
 
 ARG VERSION=0.0.0
 ENV VERSION=${VERSION}