Introduction: The Power of Direct Database-to-API ExposurePostgREST stands as a lightweight API server with a core advantage: no backend interface coding required. It directly exposes PostgreSQL database tables as RESTful interfaces. However, its normal operation heavily depends on PostgreSQL role and permission configuration. This comprehensive guide focuses on PostgREST core configuration, PostgreSQL role creation and authorization, combining production environment practical scenarios to organize directly copyable configuration templates a...