Install python and moodlemlbackend package

Dockerfile

@@ -4,6 +4,7 @@ ADD root/ /
 # Fix the original permissions of /tmp, the PHP default upload tmp dir.
 RUN chmod 777 /tmp && chmod +t /tmp
 # Setup the required extensions.
+RUN /tmp/setup/python-mlbackend.sh
 RUN /tmp/setup/php-extensions.sh
 RUN /tmp/setup/oci8-extension.sh
 

root/tmp/setup/python-mlbackend.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -e
+
+echo "Installing Moodle Python mlbackend"
+
+apt-get update
+apt-get install -y --no-install-recommends python2.7 python-pip python2.7-dev
+pip -V
+pip install tensorflow>=1.0.0,<1.1
+pip install moodlemlbackend
+
+# Keep our image size down.
+rm -rf ~/.cache/pip
+apt-get autoremove -y
+apt-get clean
+rm -rf /var/lib/apt/lists/*