Update devel Dockerfile to pip install requirements-dev

Change-Id: Id5d93e9d8a3f9e95ac762a1305d7c1bc03a39f3c
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/docker/Dockerfile b/docker/Dockerfile
index c22058b..df0bb8d 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -30,8 +30,12 @@
 
 COPY requirements.txt /mon/requirements.txt
 
+COPY requirements-dev.txt /mon/requirements-dev.txt
+
 RUN pip3 install -r /mon/requirements.txt
 
+RUN pip3 install -r /mon/requirements-dev.txt
+
 COPY . /mon
 
 RUN pip3 install /mon