✅ PGHOST detectado: postgres.railway.internal
📞 Intentando conectar con: pgsql:host=postgres.railway.internal;port=5432;dbname=railway
El servidor respondió: SQLSTATE[0A000]: Feature not supported: 7 ERROR: extension "postgis" is not available DETAIL: Could not open extension control file "/usr/share/postgresql/17/extension/postgis.control": No such file or directory. HINT: The extension must first be installed on the system where PostgreSQL is running.