Update Dockerfile to Alpine 3.18

drwetter · web-flow · commit cd6659c7ad8f · 2023-10-12T09:59:25.000+02:00
for an extension of life time: https://endoflife.date/alpine
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17
+FROM alpine:3.18
 
 RUN apk update && \
     apk upgrade && \
