Database startup is really slow

In the bitnami chart postgresql there is quite some delay in the Generating local authentication configuration step

postgresql 09:16:22.09
postgresql 09:16:22.10 Welcome to the Bitnami postgresql container
postgresql 09:16:22.10 Subscribe to project updates by watching https://github.com/bitnami/bitnami-docker-postgresql
postgresql 09:16:22.13 Submit issues and feature requests at https://github.com/bitnami/bitnami-docker-postgresql/issues
postgresql 09:16:22.13
postgresql 09:16:22.33 INFO  ==> ** Starting PostgreSQL setup **
postgresql 09:16:22.38 INFO  ==> Validating settings in POSTGRESQL_* env vars..
postgresql 09:16:22.41 INFO  ==> Loading custom pre-init scripts...
postgresql 09:16:22.43 INFO  ==> Initializing PostgreSQL database...
postgresql 09:16:22.57 INFO  ==> pg_hba.conf file not detected. Generating it...
postgresql 09:16:22.58 INFO  ==> Generating local authentication configuration
postgresql 09:17:46.90 INFO  ==> Starting PostgreSQL in background...
postgresql 09:18:06.32 INFO  ==> Changing password of postgres
postgresql 09:18:06.46 INFO  ==> Creating user dbuser
postgresql 09:18:06.51 INFO  ==> Granting access to "dbuser" to the database "dbname"
postgresql 09:18:06.63 INFO  ==> Configuring replication parameters
postgresql 09:18:06.75 INFO  ==> Configuring fsync
postgresql 09:18:06.97 INFO  ==> Loading custom scripts...
postgresql 09:18:06.98 INFO  ==> Loading user's custom files from /docker-entrypoint-initdb.d ...
postgresql 09:18:06.99 INFO  ==> Starting PostgreSQL in background...