update Dockerfile to alpine 3.14.3

core/admin/Dockerfile

@@ -1,5 +1,5 @@
 # First stage to build assets
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 ARG ARCH=""
 
 FROM ${ARCH}node:16 as assets

core/dovecot/Dockerfile

@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 
 FROM $DISTRO
 ARG VERSION

core/nginx/Dockerfile

@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 FROM $DISTRO
 ARG VERSION
 

core/none/Dockerfile

@@ -1,6 +1,6 @@
 # This is an idle image to dynamically replace any component if disabled.
 
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 FROM $DISTRO
 
 CMD sleep 1000000d

core/postfix/Dockerfile

@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 
 FROM $DISTRO
 ARG VERSION

optional/clamav/Dockerfile

@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 FROM $DISTRO
 ARG VERSION
 

optional/fetchmail/Dockerfile

@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 FROM $DISTRO
 ARG VERSION
 

optional/radicale/Dockerfile

@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 FROM $DISTRO
 ARG VERSION
 

optional/unbound/Dockerfile

@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 FROM $DISTRO
 ARG VERSION
 

setup/Dockerfile

@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.2
+ARG DISTRO=alpine:3.14.3
 FROM $DISTRO
 ARG VERSION
 ENV TZ Etc/UTC
@@ -21,4 +21,4 @@ COPY static ./static
 EXPOSE 80/tcp
 
 CMD gunicorn -w 4 -b :80 --access-logfile - --error-logfile - --preload main:app
-RUN echo $VERSION >> /version
+RUN echo $VERSION >> /version