docker: mount /var/zookeeper to host filesystem

Author: dsame

docker/docker-compose.yml

@@ -17,6 +17,7 @@ services:
  image: bitlum/exchange-kafka
  volumes:
  - /tmp/bitlum/exchange/kafka/logs:/var/log/kafka
+ - /tmp/bitlum/exchange/zookeeper/logs:/var/log/zookeeper
  networks:
  exchange_net:
  ipv4_address: 192.168.18.20