Docker 安装 Redis 主要有 2 种方法，分别是直接通过 docker 命令安装或通过 Dockerfile 构建。redis 相关的 docker 镜像所有版本可以查看镜像库的 redis tags，官方地址为 https://hub.docker.com/_/redis?tab=tags。
方式一：docker pull redis
关键字搜索相关镜像
首先通过 redis 关键字查询当前镜像库的所有 redis 相关的镜像，使用 docker search 命令，具体示例如下：
knowledgedict@Mac ~ $ docker search redis
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
redis Redis is an open source key-value store th... 8458 [OK]
bitnami/redis Bitnami Redis Docker Image 157 [OK]
sameersbn/redis 80 [OK]
grokzen/redis-cluster Redis cluster 3.0, 3.2, 4.0, 5.0, 6.0 70
rediscommander/redis-commander Alpine image for redis-commander - Redis m... 45 [OK]
kubeguide/redis-master redis-master with "Hello World!" 32
redislabs/redis Clustered in-memory database engine compat... 25
redislabs/redisearch Redis With the RedisSearch module pre-load... 23
oliver006/redis_exporter Prometheus Exporter for Redis Metrics. Su... 22
arm32v7/redis Redis is an open source key-value store th... 21
bitnami/redis-sentinel Bitnami Docker Image for Redis Sentinel 14 [OK]
webhippie/redis Docker images for Redis 12 [OK]
redislabs/redisgraph A graph database module for Redis 11 [OK]
s7anley/redis-sentinel-docker Redis Sentinel 10 [OK]
arm64v8/redis Redis is an open source key-value store th... 9
insready/redis-stat Docker image for the real-time Redis monit... 9 [OK]
redislabs/redisinsight RedisInsight - The GUI for Redis 9
redislabs/redismod An automated build of redismod - latest Re... 7 [OK]
goodsmileduck/redis-cli redis-cli on alpine 6 [OK]
centos/redis-32-centos7 Redis in-memory data structure store, used... 5
circleci/redis CircleCI images for Redis 5 [OK]
clearlinux/redis Redis key-value data structure server with... 2
wodby/redis Redis container image with orchestration 1 [OK]
tiredofit/redis Redis Server w/ Zabbix monitoring and S6 O... 1 [OK]
xetamus/redis-resource forked redis-resource 0 [OK]
拉取指定版本的镜像
从镜像库拉取镜像用 docker pull 命令。
knowledgedict@Mac ~ $ docker pull redis:6
6: Pulling from library/redis
bf5952930446: Pull complete
911b8422b695: Pull complete
093b947e0ade: Pull complete
5b1d5f59e382: Pull complete
7a5f59580c0b: Pull complete
f9c63997c980: Pull complete
Digest: sha256:09c33840ec47815dc0351f1eca3befe741d7105b3e95bc8fdb9a7e4985b9e1e5
Status: Downloaded newer image for redis:6
下载完成后，可以在本地的镜像列表查看相关信息，如下：
knowledgedict@Mac ~ $ docker images redis
REPOSITORY TAG IMAGE ID CREATED SIZE
redis 6 1319b1eaa0b7 2 days ago 104 MB
运行容器
运行容器使用 docker run 命令，具体如下：
knowledgedict@Mac ~ $ docker run -itd --name redis-demo -p 6379:6379 redis:6
f9f8b148e56c6513e9425d55ac7eb9094d26318fafd638070c820f83ebc09726
启动后，查看相应容器运行信息：
knowledgedict@Mac ~ $ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e7c369e590fd redis:6 "docker-entrypoint..." 2 seconds ago Up 1 second 0.0.0.0:6379->6379/tcp redis-demo