tidy up, change baseimage

Author: sparklyballs

Dockerfile

@@ -1,24 +1,28 @@
-FROM lsiobase/alpine.python:3.7
+FROM lsiobase/alpine:3.8
 
 # set version label
 ARG BUILD_DATE
 ARG VERSION
 LABEL build_version="Linuxserver.io version:- ${VERSION} Build-date:- ${BUILD_DATE}"
 LABEL maintainer="aptalca"
 
-# install packages
 RUN \
- apk add --no-cache \
-	libldap && \
+ echo "**** install build packages ****" && \
  apk add --no-cache --virtual=build-dependencies \
 	build-base \
+	libffi-dev \
 	openldap-dev \
-	python2-dev \
-	python3-dev && \
- pip install --no-cache-dir \
+	python2-dev && \
+ echo "**** install runtime packages ****" && \
+ apk add --no-cache \
+	libffi \
+	libldap \
+	py2-pip && \
+ pip install -U --no-cache-dir \
 	cryptography \
+	python2 \
 	python-ldap && \
- echo "**** remove build dependencies ****" && \
+ echo "**** cleanup ****" && \
  apk del --purge \
 	build-dependencies && \
  rm -rf \