Don't use an external volume.

Author: Jim Fulton

9.3/Dockerfile

@@ -40,7 +40,7 @@ RUN mkdir -p /var/run/postgresql && chown -R postgres /var/run/postgresql
 
 ENV PATH /usr/lib/postgresql/$PG_MAJOR/bin:$PATH
 ENV PGDATA /var/lib/postgresql/data
-VOLUME /var/lib/postgresql/data
+#VOLUME /var/lib/postgresql/data
 
 COPY docker-entrypoint.sh /