SampleApp Pro false INFO 100 30000 postgresql db.example.com 5432 sampleapp_production app_user placeholder_password 5 20 300 postgresql db-replica.example.com 5432 sampleapp_production readonly_user placeholder_password 2 10 600 redis cache.example.com 6379 3600 sampleapp: smtp.example.com 587 true noreply@example.com SampleApp Notifications