docker-compose-dns.yml

version: "3.7"

services:
  gubernator:
    image: ghcr.io/mailgun/gubernator:latest
    environment:
      GUBER_PEER_DISCOVERY_TYPE: dns
      # Docker will resolve replica addresses by the service name, `gubernator`
      GUBER_DNS_FQDN: gubernator
      GUBER_GRPC_ADDRESS: 0.0.0.0:81
      GUBER_HTTP_ADDRESS: 0.0.0.0:80
      GUBER_DEBUG: 1
    deploy:
      mode: replicated
      replicas: 2
      endpoint_mode: dnsrr
    networks:
      - vpc
  shell:
    # docker exec -it into this container to poke gubernator instances
    image: praqma/network-multitool
    command: sleep 3600
    init: true
    networks:
      - vpc

networks:
  vpc: