move labels to bottom, update postgres container

Change-Id: Id1d09ff54bdeb8f315d255756a78086fb91844d3
diff --git a/containers/postgresql/Dockerfile b/containers/postgresql/Dockerfile
index 68cd4ad..691ac71 100644
--- a/containers/postgresql/Dockerfile
+++ b/containers/postgresql/Dockerfile
@@ -1,6 +1,43 @@
 # xosproject/xos-postgres
 FROM ubuntu:14.04.5
 
+# Version of PostgreSQL to install
+ENV PGSQL_VERSION 9.6
+
+RUN apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
+
+RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ trusty-pgdg main" \
+    > /etc/apt/sources.list.d/pgdg.list
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --force-yes\
+    python-software-properties \
+    software-properties-common \
+    postgresql-$PGSQL_VERSION \
+    postgresql-client-$PGSQL_VERSION \
+    postgresql-contrib-$PGSQL_VERSION \
+ && rm -rf /var/lib/apt/lists/*
+
+# Workaround for AUFS issue
+# https://github.com/docker/docker/issues/783#issuecomment-56013588
+RUN mkdir /etc/ssl/private-copy; mv /etc/ssl/private/* /etc/ssl/private-copy/; rm -r /etc/ssl/private; mv /etc/ssl/private-copy /etc/ssl/private; chmod -R 0700 /etc/ssl/private; chown -R postgres /etc/ssl/private
+
+USER postgres
+
+RUN /etc/init.d/postgresql start && \
+    psql --command "ALTER USER postgres WITH SUPERUSER PASSWORD 'password' " && \
+    psql --command "CREATE DATABASE xos"
+
+# Allow remote connections.
+RUN echo "host all  all    0.0.0.0/0  md5" >> /etc/postgresql/$PGSQL_VERSION/main/pg_hba.conf
+RUN echo "host all  all    0.0.0.0/0  password" >> /etc/postgresql/$PGSQL_VERSION/main/pg_hba.conf
+
+RUN echo "listen_addresses='*'" >> /etc/postgresql/$PGSQL_VERSION/main/postgresql.conf
+
+# Expose the PostgreSQL port
+EXPOSE 5432
+
+VOLUME  ["/etc/postgresql", "/var/log/postgresql", "/var/lib/postgresql"]
+
 # Label image
 ARG org_label_schema_schema_version=1.0
 ARG org_label_schema_name=xos-postgres
@@ -18,36 +55,4 @@
       org.label-schema.build-date=$org_label_schema_build_date \
       org.opencord.vcs-commit-date=$org_opencord_vcs_commit_date
 
-RUN apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys B97B0AFCAA1A47F044F244A07FCC7D46ACCC4CF8
-
-RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main" > /etc/apt/sources.list.d/pgdg.list
-
-RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -y --force-yes\
-    python-software-properties \
-    software-properties-common \
-    postgresql-9.3 \
-    postgresql-client-9.3 \
-    postgresql-contrib-9.3
-
-# Workaround for AUFS issue
-# https://github.com/docker/docker/issues/783#issuecomment-56013588
-RUN mkdir /etc/ssl/private-copy; mv /etc/ssl/private/* /etc/ssl/private-copy/; rm -r /etc/ssl/private; mv /etc/ssl/private-copy /etc/ssl/private; chmod -R 0700 /etc/ssl/private; chown -R postgres /etc/ssl/private
-
-USER postgres
-
-RUN /etc/init.d/postgresql start && \
-    psql --command "ALTER USER postgres WITH SUPERUSER PASSWORD 'password' " && \
-    psql --command "CREATE DATABASE xos"
-
-# Allow remote connections. 
-RUN echo "host all  all    0.0.0.0/0  md5" >> /etc/postgresql/9.3/main/pg_hba.conf
-RUN echo "host all  all    0.0.0.0/0  password" >> /etc/postgresql/9.3/main/pg_hba.conf
-
-RUN echo "listen_addresses='*'" >> /etc/postgresql/9.3/main/postgresql.conf
-
-# Expose the PostgreSQL port
-EXPOSE 5432
-
-VOLUME  ["/etc/postgresql", "/var/log/postgresql", "/var/lib/postgresql"]
-
-CMD ["/usr/lib/postgresql/9.3/bin/postgres", "-D", "/var/lib/postgresql/9.3/main", "-c", "config_file=/etc/postgresql/9.3/main/postgresql.conf"]
+CMD ["/usr/lib/postgresql/$PGSQL_VERSION/bin/postgres", "-D", "/var/lib/postgresql/$PGSQL_VERSION/main", "-c", "config_file=/etc/postgresql/$PGSQL_VERSION/main/postgresql.conf"]