added webapp image

z-push/Dockerfile

@@ -1,17 +1,16 @@
 # syntax=docker/dockerfile:1.4
 FROM ubuntu:20.04
+# install apt packages
 RUN <<EOF
 export DEBIAN_FRONTEND=noninteractive 
 export TZ=Europe/Berlin 
 apt-get update
 apt-get install -y tzdata wget gnupg
 EOF
-RUN <<EOF
-# install php7-mapi
+# install php7-mapi and dependencies
 wget --no-verbose -P/tmp http://bldr/core-11.0.2.50.507cbae-Ubuntu_20.04-amd64.tar.gz 
 tar xzf /tmp/core-11.0.2.50.507cbae-Ubuntu_20.04-amd64.tar.gz
 for F in core-11.0.2.50.507cbae-Ubuntu_20.04-amd64/*.deb; do dpkg --unpack --no-triggers $F; done
-# apt-get install -f -y
 # install z-push
 wget -qO - https://download.kopano.io/zhub/z-push:/final/Ubuntu_20.04/Release.key | apt-key add -
 echo "deb https://download.kopano.io/zhub/z-push:/final/Ubuntu_20.04/ /" >/etc/apt/sources.list.d/z-push.list