I've been flying from this airport back to Tbilisi with Buta Airways in early August 2019, see: About Buta Airways Baku - Tbilisi fight
Two passenger terminals and two cargo terminals operate at Heydar Aliyev International Airport.
There is Vanderlande baggage-handling system in Terminal 1, as well as L-3 equipment for thorough baggage inspection and scanners designed to obtain a layered image of the internal structure of the object.
Terminal 1 operates jet bridges capable of receiving 12 aircraft simultaneously. Two jet bridges are intended for accommodating the world's largest passenger aircraft, the Airbus A380.
Terminal 1 total area is 65,000 square meters. The terminal is designed for 6 million passengers per year. It currently serves up to 3 million passengers annually. The total parking area is 20 000 m2 for 600 vehicles
Terminal 2 (much smaller) currently serves both domestic flights (South entrance) and international flights of low-cost airlines (North entrance).