VPN COMPOSE

SUBNET=10.2.0.0/24
UNBOUND_IPV4_ADDRESS=10.2.0.200
PIHOLE_IPV4_ADDRESS=10.2.0.100

1. Set two Pihole DNS - 127.0.0.1, 10.2.0.200
2. SET VPN DNS as Pihole's IP - 10.2.0.100