1.拉取redis镜像

命令：

docker search redis

docker pull redis:3.2

[root@centos79 ~]# docker search redis
NAME                                DESCRIPTION                                      STARS     OFFICIAL   AUTOMATED
redis                               Redis is an open source key-value store that…   12562     [OK]       
redislabs/redisearch                Redis With the RedisSearch module pre-loaded…   61                   
redislabs/redisinsight              RedisInsight - The GUI for Redis                 95                   
redis/redis-stack-server            redis-stack-server installs a Redis server w…   62                   
redis/redis-stack                   redis-stack installs a Redis server with add…   86                   
redislabs/rebloom                   A probablistic datatypes module for Redis        25                   [OK]
redislabs/redis                     Clustered in-memory database engine compatib…   40