CHnage base to upgrade to latest 9.x pg version

Author: Wardormeur

Dockerfile

@@ -1,7 +1,8 @@
-FROM python:alpine
+FROM postgres 
 MAINTAINER butlerx <[email protected]>
-RUN apk add --update bash postgresql openssl && \
-    pip install awscli && \
+RUN apt-get -y update && \
+    apt-get -y install bash openssl python3-pip && \
+    pip3 install awscli && \
     mkdir /scripts
 COPY backupToS3.sh /scripts/backupToS3.sh
 CMD ["bin/sh", "/scripts/backupToS3.sh"]