docker搭建redis主从哨兵集群的实现步骤

docker pull redis:6.2.7

cd /opt/docker/redis
vi docker-compose.yml

version: '3'
services:
  master:
    image: redis:6.2.7       ## 镜像
    container_name: redis-master
    command: redis-server /etc/redis/redis.conf --requirepass 123456 --masterauth 123456
    volumes:
    - /opt/docker/redis/data/redis_data1:/data
    - /opt/docker/redis/conf/redis1.conf:/etc/redis/redis.conf
    network_mode: "host"
  slave1:
    image: redis:6.2.7                ## 镜像
    container_name: redis-slave-1
    volumes:
    - /opt/docker/redis/data/redis_data2:/data
    - /opt/docker/redis/conf/redis2.conf:/etc/redis/redis.conf
    command: redis-server /etc/redis/redis.conf --slaveof redis-master 6379 --requirepass 123456 --masterauth 123456 
    depends_on:
    - master
    network_mode: "host"
  slave2:
    image: redis:6.2.7                ## 镜像
    container_name: redis-slave-2
    volumes:
    - /opt/docker/redis/data/redis_data3:/data
    - /opt/docker/redis/conf/redis3.conf:/etc/redis/redis.conf
    command: redis-server /etc/redis/redis.conf --slaveof redis-master 6379 --requirepass 123456 --masterauth 123456
    depends_on:
    - master
    network_mode: "host"
  sentinel1:
    image: redis:6.2.7       ## 镜像
    container_name: redis-sentinel-1
    command: redis-sentinel /usr/local/etc/redis/sentinel.conf
    volumes:
    - /opt/docker/redis/conf/sentinel1.conf:/usr/local/etc/redis/sentinel.conf
    network_mode: "host"
    depends_on:
    - master
    - slave1
    - slave2
  sentinel2:
    image: redis:6.2.7                ## 镜像
    container_name: redis-sentinel-2          
    command: redis-sentinel /usr/local/etc/redis/sentinel.conf
    volumes:
    - /opt/docker/redis/conf/sentinel2.conf:/usr/local/etc/redis/sentinel.conf
    network_mode: "host"
    depends_on:
    - master
    - slave1
    - slave2
  sentinel3:
    image: redis:6.2.7                ## 镜像
    container_name: redis-sentinel-3          
    command: redis-sentinel /usr/local/etc/redis/sentinel.conf
    volumes:
    - /opt/docker/redis/conf/sentinel3.conf:/usr/local/etc/redis/sentinel.conf
    network_mode: "host"
    depends_on:
    - master
    - slave1
    - slave2

cd /opt/docker/redis
tree ./

#redis1.conf
bind 0.0.0.0
port 6379
protected-mode no
slave-read-only no
 
#redis2.conf
bind 0.0.0.0
port 6380
protected-mode no
slave-read-only no
 
#redis3.conf
bind 0.0.0.0
port 6381
protected-mode no
slave-read-only no

#sentinel1.conf
port 26379
dir /tmp
sentinel monitor mymaster 192.168.18.131 6379 2
sentinel auth-pass mymaster 123456 
sentinel down-after-milliseconds mymaster 30000
sentinel parallel-syncs mymaster 1
sentinel failover-timeout mymaster 10000  
sentinel deny-scripts-reconfig yes
 
#sentinel2.conf
port 26380
dir /tmp
sentinel monitor mymaster 192.168.18.131 6379 2
sentinel auth-pass mymaster 123456 
sentinel down-after-milliseconds mymaster 30000
sentinel parallel-syncs mymaster 1
sentinel failover-timeout mymaster 10000  
sentinel deny-scripts-reconfig yes
 
#sentinel3.conf
port 26381
dir /tmp
sentinel monitor mymaster 192.168.18.131 6379 2
sentinel auth-pass mymaster 123456 
sentinel down-after-milliseconds mymaster 30000
sentinel parallel-syncs mymaster 1
sentinel failover-timeout mymaster 10000  
sentinel deny-scripts-reconfig yes

docker-compose up
#或者，后台启动
docker-compose up -d

docker exec -it 主节点容器id或者容器名称 bash
redis-cli -p 6379
info replication