-RUN apt-get update && apt-get -y install python \
- libcurl4-gnutls-dev libgnutls-dev iputils-ping python-pip \
- python-openstackclient wget
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y install wget python3 python3-pip \
+ libcurl4-openssl-dev libssl-dev python3-openstackclient