-# Performance tuning parameters
-#CONTROLLER_NGINX_WORKERS=
-#CONTROLLER_MAX_CONCURRENT_REQUESTS=
+DATABASE_NAME="${CLUSTER}_arvados"
+DATABASE_USER="${CLUSTER}_arvados"
+# Set these if using an external PostgreSQL service.
+#DATABASE_EXTERNAL_SERVICE_HOST_OR_IP=
+#DATABASE_POSTGRESQL_VERSION=
+
+# Performance tuning parameters. If these are not set, workers
+# defaults on the number of cpus, queued requests defaults to 128
+# and gateway tunnels defaults to 1000.
+#CONTROLLER_MAX_WORKERS=
+#CONTROLLER_MAX_QUEUED_REQUESTS=
+#CONTROLLER_MAX_GATEWAY_TUNNELS=