update to version 18

parameterized nextcloud version in build files

dockerfiles/services/nextcloud/cli/build

@@ -2,7 +2,7 @@
 set -e
 #set -x
 
-NC_VERSION=18
+NC_VERSION=${NC_VERSION:-18}
 LOCAL_IMAGE=xaicorp/nextcloud
 TAG=${NC_VERSION}.0-${BUILD_NUMBER:-dev}
 REMOTE_IMAGE=dkregistry.xai-corp.net:5000/${LOCAL_IMAGE}:${TAG}
@@ -14,7 +14,7 @@ export REMOTE_IMAGE
 export TAG
 
 dc() {
-    export NC_VERSION=${NC_VERSION}
+#    export NC_VERSION=${NC_VERSION}
     # shellcheck disable=SC2068
     docker-compose \
     -f docker-compose.yml \