Ngurah Rai (Bali) Airport is contactless and everything is done online. Before you arrive to Indonesia complete the online customs declaration form at
ecd.beacukai.go.id. Don't forget to keep a digital copy readily available to present your customs declaration to the officers at the airport.
If you do not complete prior to arrival, it can be completed at the airport prior to passing through customs, there will be computers available or it can be completed on your phone by scanning a QR code provided on arrival. There is free wifi as you enter.