fix foss-heartbeat and couchpotato

Signed-off-by: Jess Frazelle <acidburn@github.com>

couchpotato/Dockerfile

@@ -9,7 +9,7 @@
 # 	--name couchpotato \
 # 	jess/couchpotato
 #
-FROM alpine:latest
+FROM python:2-alpine
 LABEL maintainer "Jessie Frazelle <jess@linux.com>"
 
 # machine parsable metadata, for https://github.com/pycampers/dockapt
@@ -32,13 +32,9 @@ RUN apk add --no-cache \
 	libxslt-dev \
 	musl-dev \
 	openssl-dev \
-	python \
-	python-dev \
-	py2-pip \
 	&& rm -rf /var/lib/apt/lists/*
 
 RUN pip install \
-	cffi \
 	lxml \
 	pyopenssl
 

foss-heartbeat/Dockerfile

@@ -1,14 +1,11 @@
-FROM alpine:latest
+FROM python:2-alpine
 
 RUN apk add --no-cache \
 	ca-certificates \
 	bash \
 	gfortran \
 	openjdk8-jre-base \
-	lapack \
-	python \
-	py-pip \
-	py-numpy
+	lapack
 
 # Install the requirements
 RUN set -x \
@@ -18,7 +15,6 @@ RUN set -x \
 		lapack-dev \
 		libffi-dev \
 		openssl-dev \
-		python-dev \
 	&& ln -s /usr/include/locale.h /usr/include/xlocale.h \
 	&& git clone --depth 1 https://github.com/sarahsharp/foss-heartbeat.git /usr/src/foss-heartbeat \
 	&& ( \