docker run drupalci/pgsql-9.1
WARNING: Your kernel does not support memory swappiness capabilities, memory swappiness discarded.
PGSQL VERSION: 9.1
rebuilding PostgreSQL database cluster
Creating new cluster 9.1/main ...
  config /etc/postgresql/9.1/main
  data   /var/lib/postgresql/9.1/main
  locale en_US.UTF-8
  port   5432
CREATE ROLE
CREATE DATABASE
2015-09-19 02:37:52 UTC [121-1] LOG:  database system was shut down at 2015-09-19 02:37:51 UTC
2015-09-19 02:37:52 UTC [124-1] LOG:  autovacuum launcher started
2015-09-19 02:37:52 UTC [120-1] LOG:  database system is ready to accept connections