docker-compose.yml

version: '3.1'

services:
  etcd-1:
    image: quay.io/coreos/etcd:v3.3.12
    # network_mode: host
    networks:
      - etcd
    # restart: always
    # hostname: etcd-1
    logging:
      driver: "json-file"
      options:
        max-size: "30m"
    # volumes:
    #   - ./data/etcd-1:/etcd-1.etcd
    ports:
      - 4001:4001
      - 2380:2380
      - 2379:2379
    command: /usr/local/bin/etcd --advertise-client-urls http://etcd-1:2379,http://etcd-1:4001
      --name etcd-1
      --listen-client-urls http://0.0.0.0:2379,http://0.0.0.0:4001
      --initial-advertise-peer-urls http://etcd-1:2380
      --listen-peer-urls http://0.0.0.0:2380
      --initial-cluster-token etcd-cluster
      --initial-cluster etcd-1=http://etcd-1:2380,etcd-2=http://etcd-2:12380,etcd-3=http://etcd-3:22380
      --initial-cluster-state new

  etcd-2:
    image: quay.io/coreos/etcd:v3.3.12
    networks:
      - etcd
    # network_mode: host
    restart: always
    # hostname: etcd-2
    logging:
      driver: "json-file"
      options:
        max-size: "30m"
    # volumes:
    #   - ./data/etcd-2:/etcd-2.etcd
    ports:
      - 14001:14001
      - 12380:12380
      - 12379:12379
    command: /usr/local/bin/etcd --advertise-client-urls http://etcd-2:12379,http://etcd-2:14001
      --name etcd-2
      --listen-client-urls http://0.0.0.0:12379,http://0.0.0.0:14001
      --initial-advertise-peer-urls http://etcd-2:12380
      --listen-peer-urls http://0.0.0.0:12380
      --initial-cluster-token etcd-cluster
      --initial-cluster etcd-1=http://etcd-1:2380,etcd-2=http://etcd-2:12380,etcd-3=http://etcd-3:22380
      --initial-cluster-state new

  etcd-3:
    image: quay.io/coreos/etcd:v3.3.12
    networks:
      - etcd
    # network_mode: host
    restart: always
    # hostname: etcd-3
    logging:
      driver: "json-file"
      options:
        max-size: "30m"
    # volumes:
    #   - ./data/etcd-3:/etcd-3.etcd
    ports:
      - 24001:24001
      - 22380:22380
      - 22379:22379
    command: /usr/local/bin/etcd --advertise-client-urls http://etcd-3:22379,http://etcd-3:24001
      --name etcd-3
      --listen-client-urls http://0.0.0.0:22379,http://0.0.0.0:24001
      --initial-advertise-peer-urls http://etcd-3:22380
      --listen-peer-urls http://0.0.0.0:22380
      --initial-cluster-token etcd-cluster
      --initial-cluster etcd-1=http://etcd-1:2380,etcd-2=http://etcd-2:12380,etcd-3=http://etcd-3:22380
      --initial-cluster-state new

networks:
  etcd:
    driver: bridge