fix getting ip-address

Signed-off-by: Simon L <szaimen@e.mail.de>

Containers/talk/Dockerfile

@@ -65,7 +65,8 @@ RUN set -ex; \
         libusrsctp \
         libwebsockets \
         \
-        shadow; \
+        shadow \
+        grep; \
     useradd --system -u 1000 eturnal; \
     apk del --no-cache \
         shadow; \

Containers/talk/start.sh

@@ -19,7 +19,7 @@ elif [ -z "$INTERNAL_SECRET" ]; then
 fi
 
 set -x
-IPv4_ADDRESS_TALK="$(dig nextcloud-aio-talk IN A +short +search | grep '^[0-9.]\+$' | sort | head -n1)"
+IPv4_ADDRESS_TALK="$(hostname -i | grep -oP '[0-9]+\.[0-9]+.[0-9]+\.[0-9]+' | head -1)"
 IPv6_ADDRESS_TALK="$(dig nextcloud-aio-talk AAAA +short +search | grep '^[0-9a-f:]\+$' | sort | head -n1)"
 set +x