add dockerfile & virtualenv running script

Author: ibotdotout

Dockerfile

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+#Dockerfile for python-opencv
+
+# Pull base image.
+FROM debian:sid
+
+MAINTAINER ibotdotout <ibot.out@gmail.com>
+
+# Install packages.
+RUN apt-get update
+RUN apt-get install -y python python-dev python-pip python-virtualenv
+RUN apt-get install -y python-opencv
+RUN apt-get install -y python-matplotlib
+
+# Define working directory.
+WORKDIR /app
+
+# Define default command.
+CMD ["bash"]

bin/venv

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+#!/bin/bash
+
+# enable rednose color
+export NOSE_REDNOSE=1
+
+# set virutalenv path
+VENVPATH=/tmp/env
+
+# create virtualenv with system packages
+virtualenv --system-site-packages $VENVPATH
+
+# activate virtualenv
+. $VENVPATH/bin/activate
+
+# install python packages from requirements.txt
+pip install -r requirements.txt
+
+# execute arguments
+exec "$@"
+
+# deactivate virtualenv
+deactivate