--- # PostgreSQL admin user (used by service roles for database management) postgres_admin_user: postgres # PostgreSQL admin password (REQUIRED - must be set explicitly) # Set via inventory, host_vars, or ansible-vault # See this file's comments for setup instructions # postgres_admin_password: "" # Intentionally undefined - role will fail if not set # PostgreSQL data directory postgres_data_dir: /var/lib/postgres/data # Performance tuning (adjust based on your hardware) postgres_shared_buffers: 256MB postgres_effective_cache_size: 1GB postgres_maintenance_work_mem: 64MB postgres_work_mem: 4MB postgres_max_connections: 100