Docker 安装 Redis

Redis 是一个开源的使用 ANSI C 语言编写、支持网络、可基于内存亦可持久化的日志型、Key-Value 的 NoSQL 数据库，并提供多种语言的 API。

查看可用的 Redis 版本

访问 Redis 镜像库地址： https://hub.docker.com/_/redis?tab=tags。

可以通过 Sort by 查看其他版本的 Redis，默认是最新版本 redis:latest。

此外，我们还可以用 docker search redis 命令来查看可用版本：

[root@localhost ~]# docker search redis
INDEX       NAME                                       DESCRIPTION                                     STARS     OFFICIAL   AUTOMATED
docker.io   docker.io/redis                            Redis is an open source key-value store th...   9976      [OK]       
docker.io   docker.io/sameersbn/redis                                                                  83                   [OK]
docker.io   docker.io/grokzen/redis-cluster            Redis cluster 3.0, 3.2, 4.0, 5.0, 6.0, 6.2      79                   
docker.io   docker.io/rediscommander/redis-commander   Alpine image for redis-commander - Redis m...   66                   [OK]
docker.io   docker.io/redislabs/redisearch             Redis With the RedisSearch module pre-load...   39                   
docker.io   docker.io/redislabs/redisinsight           RedisInsight - The GUI for Redis                35                   
docker.io   docker.io/redislabs/redis                  Clustered in-memory database engine compat...   31                   
docker.io   docker.io/oliver006/redis_exporter          Prometheus Exporter for Redis Metrics. Su...   30                   
docker.io   docker.io/redislabs/rejson                 RedisJSON - Enhanced JSON data type proces...   27                   
docker.io   docker.io/arm32v7/redis                    Redis is an open source key-value store th...   24                   
docker.io   docker.io/redislabs/redisgraph             A graph database module for Redis               16                   [OK]
docker.io   docker.io/arm64v8/redis                    Redis is an open source key-value store th...   15                   
docker.io   docker.io/redislabs/redismod               An automated build of redismod - latest Re...   15                   [OK]
docker.io   docker.io/redislabs/rebloom                A probablistic datatypes module for Redis       14                   [OK]
docker.io   docker.io/webhippie/redis                  Docker image for redis                          11                   [OK]
docker.io   docker.io/insready/redis-stat              Docker image for the real-time Redis monit...   10                   [OK]
docker.io   docker.io/redislabs/redistimeseries        A time series database module for Redis         10                   
docker.io   docker.io/s7anley/redis-sentinel-docker    Redis Sentinel                                  10                   [OK]
docker.io   docker.io/goodsmileduck/redis-cli          redis-cli on alpine                             9                    [OK]
docker.io   docker.io/centos/redis-32-centos7          Redis in-memory data structure store, used...   5                    
docker.io   docker.io/clearlinux/redis                 Redis key-value data structure server with...   3                    
docker.io   docker.io/runnable/redis-stunnel           stunnel to redis provided by linking conta...   1                    [OK]
docker.io   docker.io/tiredofit/redis                  Redis Server w/ Zabbix monitoring and S6 O...   1                    [OK]
docker.io   docker.io/wodby/redis                      Redis container image with orchestration        1                    [OK]

取最新版的 Redis 镜像

这里我们拉取官方的最新版本的镜像：

docker pull redis:latest

[root@localhost ~]# docker pull redis
Using default tag: latest
Trying to pull repository docker.io/library/redis ... 
latest: Pulling from docker.io/library/redis
07aded7c29c6: Already exists 
1a5d64c027a4: Pull complete 
189d72810950: Pull complete 
b85aac102f7d: Pull complete 
fe1bca69301e: Pull complete 
fd69789c2b06: Pull complete 
Digest: sha256:a3cee5859456c894a20e7f59ba866ecd81c91e733c14

运行容器

安装完成后，我们可以使用以下命令来运行 redis 容器：

docker run -itd --name redis-test -p 6379:6379 redis

[root@localhost ~]# docker run -itd --name redis -p 6379:6379 redis
1e500914c9e33144962fa990f35f3b45ff79b67d164dfe7b31012a53f972515a
/usr/bin/docker-current: Error response from daemon: driver failed programming external connectivity on endpoint redis (b1e3de71a096463bfaa10b5b40a7ffde49ddc235c5f370091a1f48d4f0488097):  (iptables failed: iptables --wait -t nat -A DOCKER -p tcp -d 0/0 --dport 6379 -j DNAT --to-destination 172.17.0.4:6379 ! -i docker0: iptables: No chain/target/match by that name.

参数说明：

• -p 6379:6379：映射容器服务的 6379 端口到宿主机的 6379 端口。外部可以直接通过宿主机ip:6379 访问到 Redis 的服务。

开启宿主机的对应端口即可。

安装成功

最后我们可以通过 docker ps 命令查看容器的运行信息：

[root@localhost ~]# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                               NAMES
1e500914c9e3        redis               "docker-entrypoint..."   25 minutes ago      Up 18 seconds       0.0.0.0:6379->6379/tcp              redis
e5f364c8eea5        mysql               "docker-entrypoint..."   About an hour ago   Up 5 minutes        0.0.0.0:3306->3306/tcp, 33060/tcp   mysql
4b567ab8009e        docker.io/java:8    "/bin/bash"              About an hour ago   Up 4 minutes                                            java-jdk8

接着我们通过 redis-cli 连接测试使用 redis 服务。

docker exec -it redis-test /bin/bash

[root@localhost ~]# docker exec -it redis bash
root@1e500914c9e3:/data# redis-cli
127.0.0.1:6379> set myname redis 
OK
127.0.0.1:6379> get myname
"redis"
127.0.0.1:6379> 

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