bash aws neptune create-db-subnet-group --db-subnet-group-name my-neptune-subnet-group --db-subnet-group-description "My Neptune database subnet group" --subnet-ids subnet-12345678 subnet-87654321 bash aws neptune create-db-instance --db-instance-identifier my-neptune-instance --db-instance-class db.r5.large --engine neptune --publicly-accessible --availability-zone us-east-1a --vpc-security-group-ids sg-12345678 --db-subnet-group-name my-neptune-subnet-group --allocated-storage 100