Fix openvpn problems, remove tinyproxy, move dockerfile to ubuntu 18.04 as alpine crashes

root/etc/openvpn/tunnelUp.sh

@@ -1,4 +1,44 @@
 #!/bin/bash
 
+if [ "${PEER_DNS}" != "no" ]; then
+	NS=
+	DOMAIN=
+	SEARCH=
+	i=1
+	while true ; do
+		eval opt=\$foreign_option_${i}
+		[ -z "${opt}" ] && break
+		if [ "${opt}" != "${opt#dhcp-option DOMAIN *}" ] ; then
+			if [ -z "${DOMAIN}" ] ; then
+				DOMAIN="${opt#dhcp-option DOMAIN *}"
+			else
+				SEARCH="${SEARCH}${SEARCH:+ }${opt#dhcp-option DOMAIN *}"
+			fi
+		elif [ "${opt}" != "${opt#dhcp-option DNS *}" ] ; then
+			NS="${NS}nameserver ${opt#dhcp-option DNS *}\n"
+		fi
+		i=$((${i} + 1))
+	done
+
+	if [ -n "${NS}" ] ; then
+		DNS="# Generated by openvpn for interface ${dev}\n"
+		if [ -n "${SEARCH}" ] ; then
+			DNS="${DNS}search ${DOMAIN} ${SEARCH}\n"
+		elif [ -n "${DOMAIN}" ]; then
+			DNS="${DNS}domain ${DOMAIN}\n"
+		fi
+		DNS="${DNS}${NS}"
+		if [ -x /sbin/resolvconf ] ; then
+			printf "${DNS}" | /sbin/resolvconf -a "${dev}"
+		else
+			# Preserve the existing resolv.conf
+			if [ -e /etc/resolv.conf ] ; then
+				cp /etc/resolv.conf /etc/resolv.conf-"${dev}".sv
+			fi
+			printf "${DNS}" > /etc/resolv.conf
+			chmod 644 /etc/resolv.conf
+		fi
+	fi
+fi
+
 /etc/deluge/start.sh "$@"
-[[ ! -f /opt/tinyproxy/start.sh ]] || /opt/tinyproxy/start.sh