From 1abe9618697999525e5780252d4ec64838921cbb Mon Sep 17 00:00:00 2001
From: syassami <syassami@gmail.com>
Date: Fri, 21 Apr 2017 11:15:52 -0700
Subject: [PATCH] Lighten up the python3 base image (alpine) (#171)

Saves 241 MB from the base example image, bringing things down to 242MB in total.
---
 environments/python3/Dockerfile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/environments/python3/Dockerfile b/environments/python3/Dockerfile
index 2d85ebcc..483c9156 100644
--- a/environments/python3/Dockerfile
+++ b/environments/python3/Dockerfile
@@ -1,8 +1,9 @@
-FROM ubuntu:16.04
+FROM alpine:3.5
 
-RUN apt-get update -y
-RUN apt-get install -y python3 python3-pip python3-dev build-essential
+RUN apk update
+RUN apk add --no-cache python3 python3-dev build-base
 RUN pip3 install --upgrade pip
+RUN rm -r /root/.cache
 
 COPY . /app
 WORKDIR /app