Install failure

Installing astronomer airflow helm chart with default values.yaml, I get the error below. What is the problem?

│ create-user Waiting for host: airflow-postgresql.airflow.svc.cluster.local 5432
│ create-user [2020-08-24 09:20:58,555] {settings.py:254} INFO - settings.configure_orm(): Using pool settings. pool_size=5,
│ max_overflow=10, pool_recycle=1800, pid=6
│ create-user [2020-08-24 09:21:02,506] {cli_action_loggers.py:107} WARNING - Failed to log action with (psycopg2.Operational
│ Error) FATAL: password authentication failed for user “postgres”
│ create-user (Background on this error at: http://sqlalche.me/e/13/e3q8)
│ create-user [2020-08-24 09:21:02,639] {manager.py:96} ERROR - DB Creation and initialization failed: (psycopg2.OperationalE
│ rror) FATAL: password authentication failed for user “postgres”
│ create-user (Background on this error at: http://sqlalche.me/e/13/e3q8)
│ create-user stream closed