fix: DNS resolution

src/network.sh

@@ -92,12 +92,12 @@ configureDNS () {
 
   for nameserver in "${nameservers[@]}"; do
     nameserver=$(echo "$nameserver" | sed 's/#.*//' )
-    if ! [[ "$nameserver" =~ .*:.* ]]; then
-      [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="$nameserver" || DNS_SERVERS="$DNS_SERVERS,$nameserver"
-    fi
+    [[ "$nameserver" =~ .*:.* ]] && continue
+    [[ "$nameserver" == "127.0"* ]] && nameserver=$GATEWAY
+    [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="$nameserver" || DNS_SERVERS="$DNS_SERVERS,$nameserver"
   done
 
-  [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="1.1.1.1"
+  [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS=$GATEWAY
 
   DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:dns-server,$DNS_SERVERS --dhcp-option=option:router,${VM_NET_IP%.*}.1"
 
@@ -158,8 +158,6 @@ configureNAT () {
   done
 
   # Add internet connection to the VM
-  IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
-
   iptables -t nat -A POSTROUTING -o "${VM_NET_DEV}" -j MASQUERADE
   # shellcheck disable=SC2086
   iptables -t nat -A PREROUTING -i "${VM_NET_DEV}" -d "${IP}" -p tcp $CONTROL_PORT_ARGS -j DNAT --to $VM_NET_IP
@@ -233,12 +231,10 @@ update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null
 
 VM_NET_MAC="${VM_NET_MAC//-/:}"
 GATEWAY=$(ip r | grep default | awk '{print $3}')
+IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
 
 if [[ "${DEBUG}" == [Yy1]* ]]; then
-
-  IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
   info "Container IP is ${IP} with gateway ${GATEWAY}" && echo
-
 fi
 
 if [[ "${DHCP}" == [Yy1]* ]]; then