Use python base image and specialise for python 3

Author: docker-exec-bot

Dockerfile

@@ -1,9 +1,5 @@
-FROM        debian:8.0
+FROM        dexec/base-python:1.0.0
 MAINTAINER  andystanton
-RUN         apt-get update -qq -y && \
-            apt-get install -y patch python3 && \
-            apt-get clean && \
-            rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 ADD         image-common /tmp/dexec/image-common
 VOLUME      /tmp/dexec/build
 ENTRYPOINT  ["/tmp/dexec/image-common/dexec-script.sh", "python3"]

README.md

@@ -1,6 +1,6 @@
-# Docker Exec Image: Python
+# Docker Exec Image: Python 3
 
-A Dockerfile describing an container capable of executing Python source files.
+A Dockerfile describing an container capable of executing Python 3 source files.
 
 # Build