version: '3.8'

services:
  consul:
    image: consul:latest
    hostname: consul-master
    command: >
      sh -c "
      IP=$$(hostname -i | awk '{print $$1}');
      consul agent -server -bootstrap-expect=2
      -datacenter=dc1 -data-dir=/consul/data
      -node=consul-master -bind=$$IP -advertise=100.117.106.136 -client=0.0.0.0
      -ui
      -log-level=INFO
      "
    ports:
      - "8500:8500"
      - "8600:8600/udp"
    volumes:
      - consul_data:/consul/data
    networks:
      - consul-net
    deploy:
      mode: replicated
      replicas: 1
      placement:
        constraints:
          - node.hostname == master
      restart_policy:
        condition: on-failure
        delay: 5s
        max_attempts: 3

volumes:
  consul_data:

networks:
  consul-net:
    driver: overlay
    attachable: true