Upgrade Alpine version to the latest stable -1

drwetter · web-flow · commit 1154a6bc253a · 2022-08-22T16:35:23.000+02:00
3.15
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.12
+FROM alpine:3.15
 
 RUN apk update && \
     apk upgrade && \
