Dockerfile

FROM python:2.7-alpine3.4

ENV PYTHONUNBUFFERED 1

# Install Python dependencies
RUN echo "http://dl-2.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories; \
    echo "http://dl-3.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories; \
    echo "http://dl-4.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories;
RUN apk -q update
RUN apk -q add --update curl curl-dev # Curl
RUN apk -q --no-cache --repository http://dl-cdn.alpinelinux.org/alpine/edge/main add openssl openssl-dev 
RUN apk -q --no-cache add py-psycopg2 postgresql-dev # PostgreSQL
RUN apk -q --no-cache add py-gdal geos-dev geoip-dev gdal-dev # PostGIS
RUN apk -q --no-cache add linux-headers  # psutil
RUN apk -q --no-cache add bash  # bash
RUN apk -q --no-cache add libevent-dev  # Gevent
RUN apk -q --no-cache add py-pip gcc musl-dev libjpeg-turbo-dev python-dev zlib-dev libffi-dev build-base jpeg-dev freetype-dev # Pillow
RUN apk -q --no-cache add git  # Git
RUN apk -q --no-cache add nano htop postgresql-client  # Debugging
RUN apk -q --no-cache add libxslt-dev libxml2-dev # lxml

ENV LIBRARY_PATH /lib:/usr/lib:$LIBRARY_PATH  # Pillow

ADD requirements.txt .
RUN pip install --upgrade pip
RUN pip install -r requirements.txt # Install dependencies that take a long time
RUN rm requirements.txt