模版文件

yaml
port 6379
bind 0.0.0.0
protected-mode no
daemonize no
appendonly yes
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 15000
cluster-announce-ip 172.19.0.1${NO}
cluster-announce-port 6379
cluster-announce-bus-port 16379

生成脚本

yaml
for no in `seq 1 6`; do \
  mkdir -p redis-${no}/conf \
  && NO=${no} envsubst < redis-cluster.tmpl > redis-${no}/conf/redis.conf \
  && mkdir -p redis-${no}/data;\
done

docker-compose.yaml文件

yaml
# 描述 Compose 文件的版本信息
version: "3.8"

# 定义服务，可以多个
services:
  redis-cluster:
    image: redis:latest
    networks:
      redis:
        ipv4_address: 172.19.0.2
    command: redis-cli --cluster create 172.19.0.11:6379 172.19.0.12:6379 172.19.0.13:6379 172.19.0.14:6379 172.19.0.15:6379 172.19.0.16:6379 --cluster-replicas 1  --cluster-yes
    depends_on:
      - redis-1
      - redis-2
      - redis-3
      - redis-4
      - redis-5
      - redis-6



  redis-1: # 服务名称
    image: redis:latest # 创建容器时所需的镜像
    container_name: redis-1 # 容器名称
    restart: "no" # 容器总是重新启动
    networks:
      redis:
        ipv4_address: 172.19.0.11
    ports:
      - "6379:6379"
      - "16379:16379"
    volumes: # 数据卷，目录挂载
      - ./etc_rc.local:/etc/rc.local
      - ./redis-1/conf/redis.conf:/etc/redis/redis.conf
      - ./redis-1/data:/data
    command: redis-server /etc/redis/redis.conf # 覆盖容器启动后默认执行的命令
  redis-2:
    image: redis:latest
    container_name: redis-2
    networks:
      redis:
        ipv4_address: 172.19.0.12
    ports:
      - "6380:6379"
      - "16380:16379"
    volumes:
      - ./etc_rc.local:/etc/rc.local
      - ./redis-2/conf/redis.conf:/etc/redis/redis.conf
      - ./redis-2/data:/data
    command: redis-server /etc/redis/redis.conf
  redis-3:
    image: redis:latest
    container_name: redis-3
    networks:
      redis:
        ipv4_address: 172.19.0.13
    ports:
      - "6381:6379"
      - "16381:16379"
    volumes:
      - ./etc_rc.local:/etc/rc.local
      - ./redis-3/conf/redis.conf:/etc/redis/redis.conf
      - ./redis-3/data:/data
    command: redis-server /etc/redis/redis.conf
  redis-4:
    image: redis:latest
    container_name: redis-4
    networks:
      redis:
        ipv4_address: 172.19.0.14
    ports:
      - "6382:6379"
      - "16382:16379"
    volumes:
      - ./etc_rc.local:/etc/rc.local
      - ./redis-4/conf/redis.conf:/etc/redis/redis.conf
      - ./redis-4/data:/data
    command: redis-server /etc/redis/redis.conf
  redis-5:
    image: redis:latest
    container_name: redis-5
    networks:
      redis:
        ipv4_address: 172.19.0.15
    ports:
      - "6383:6379"
      - "16383:16379"
    volumes:
      - ./etc_rc.local:/etc/rc.local
      - ./redis-5/conf/redis.conf:/etc/redis/redis.conf
      - ./redis-5/data:/data
    command: redis-server /etc/redis/redis.conf
  redis-6:
    image: redis:latest
    container_name: redis-6
    networks:
      redis:
        ipv4_address: 172.19.0.16
    ports:
      - "6384:6379"
      - "16384:16379"
    volumes:
      - ./etc_rc.local:/etc/rc.local
      - ./redis-6/conf/redis.conf:/etc/redis/redis.conf
      - ./redis-6/data:/data
    command: redis-server /etc/redis/redis.conf

# 自动创建网络，并手动指定IP网段
networks:
  redis:
    ipam:
      config:
        - subnet: 172.19.0.0/16

成功

查看集群信息

但是把redis部署到docker并不是一种聪明的做法，而把集群都部署到一台机器也只是玩玩，切勿运用生产环境。