fix(database): initdb if not already initialized

Author: Gabriel Monroy

database/bin/boot

@@ -48,6 +48,13 @@ until confd -onetime -node $ETCD -config-file /app/confd.toml; do
 	sleep $(($ETCD_TTL/2))  # sleep for half the TTL
 done
 
+# initialize database if one doesn't already exist
+# for example, in the case of a data container
+if [[ ! -d /var/lib/postgresql/9.3/main ]]; then
+	sudo -u postgres /usr/lib/postgresql/9.3/bin/initdb -D /var/lib/postgresql/9.3/main --locale=en_US.UTF-8
+	chown -R postgres:postgres /var/lib/postgresql
+fi
+
 # ensure WAL log bucket exists
 envdir /etc/wal-e.d/env /app/bin/create_bucket ${BUCKET_NAME}