# run openvpn
docker run -it --rm --cap-add=NET_ADMIN \
  -p 1194:1194/udp \
  -p 80:8080/tcp \
  -e HOST_ADDR=$(curl -s https://api.ipify.org) \
  -v /home/ubuntu/openvpn_config:/opt/Dockovpn_data \
  --name dockovpn alekslitvinenk/openvpn -r

# run slave-server