update

docker/nextcloud/Dockerfile

@@ -1,7 +1,7 @@
 #
 # Use a temporary image to compile and test the libraries
 #
-FROM nextcloud:19.0.1 as builder
+FROM nextcloud:20.0.0.0 as builder
 
 # Build and install dlib on builder
 
@@ -49,7 +49,7 @@ RUN git clone https://github.com/matiasdelellis/pdlib-min-test-suite.git \
 # If pass the tests, we are able to create the final image.
 #
 
-FROM nextcloud:19.0.1
+FROM nextcloud:20.0.0.0
 
 # Install dependencies to image