Build both python 3.5 and 2.7 images from the same env

environments/python/builder/Dockerfile

@@ -0,0 +1,11 @@
+FROM alpine:3.5
+
+RUN apk update
+RUN apk add --no-cache python3 python3-dev build-base
+RUN pip3 install --upgrade pip
+RUN rm -r /root/.cache
+
+ADD defaultBuildCmd /usr/local/bin/build
+ADD builder /builder
+
+EXPOSE 8001

environments/python/builder/defaultBuildCmd

@@ -0,0 +1,2 @@
+#!/bin/sh
+pip3 install -r ${SRC_PKG}/requirements.txt -t ${SRC_PKG} && cp -r ${SRC_PKG} ${DEPLOY_PKG}