环境信息

操作系统

$ cat /etc/centos-releaseCentOS Linux release 7.7.1908 (Core)$ uname --kernel-release3.10.0-1062.el7.x86_64

Docker 版本

$ docker versionClient: Docker Engine - Community Version:           19.03.11 API version:       1.40 Go version:        go1.13.10 Git commit:        42e35e61f3 Built:             Mon Jun  1 09:13:48 2020 OS/Arch:           linux/amd64 Experimental:      falseServer: Docker Engine - Community Engine:  Version:          19.03.11  API version:      1.40 (minimum version 1.12)  Go version:       go1.13.10  Git commit:       42e35e61f3  Built:            Mon Jun  1 09:12:26 2020  OS/Arch:          linux/amd64  Experimental:     false containerd:  Version:          1.2.13  GitCommit:        7ad184331fa3e55e52b890ea95e65ba581ae3429 runc:  Version:          1.0.0-rc10  GitCommit:        dc9208a3303feef5b3839f4323d9beb36df0a9dd docker-init:  Version:          0.18.0  GitCommit:        fec3683

Redis 配置文件

因为我准备在主机 A 中使用 Java 客户端连接主机 B 中的 Redis 服务器，所以需要提前准备配置文件，方便客户端连接服务器。

提示：Redis 配置文件可以从中找到。（注意选择合适的版本）

编辑配置文件，注释 bind 127.0.0.1（第 22 行），监听所有网卡的连接请求：

# By default, if no "bind" configuration directive is specified, Redis listens# for connections from all the network interfaces available on the server.# It is possible to listen to just one or multiple selected interfaces using# the "bind" configuration directive, followed by one or more IP addresses.## Examples:## bind 192.168.1.100 10.0.0.1# bind 127.0.0.1 ::1## ~~~ WARNING ~~~ If the computer running Redis is directly exposed to the# internet, binding to all the interfaces is dangerous and will expose the# instance to everybody on the internet. So by default we uncomment the# following bind directive, that will force Redis to listen only into# the IPv4 loopback interface address (this means Redis will be able to# accept connections only from clients running into the same computer it# is running).## IF YOU ARE SURE YOU WANT YOUR INSTANCE TO LISTEN TO ALL THE INTERFACES# JUST COMMENT THE FOLLOWING LINE.# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~#bind 127.0.0.1

不以后台进程的方式运行 Redis（第 3 行）：

# By default Redis does not run as a daemon. Use 'yes' if you need it.# Note that Redis will write a pid file in /var/run/redis.pid when daemonized.daemonize no

设置认证密码（第 8 行）：

# IMPORTANT NOTE: starting with Redis 6 "requirepass" is just a compatiblity# layer on top of the new ACL system. The option effect will be just setting# the password for the default user. Clients will still authenticate using# AUTH 
   
     as usually, or more explicitly with AUTH default 
    
     # if they follow the new protocol: both will work.## requirepass foobaredrequirepass 123456

编辑完成之后，将该配置文件存放在 /usr/local/redis/ 目录中，稍后需要用到。

部署 Redis

从 Docker 仓库中拉取 Redis 镜像：

$ docker pull redis:6.0.8

查看拉取的镜像：

$ docker imagesREPOSITORY          TAG                 IMAGE ID            CREATED             SIZEredis               6.0.8               84c5f6e03bf0        8 days ago          104MB

运行 Redis 实例：

$ docker run --detach --publish 6379:6379 --volume /usr/local/redis/redis.conf:/usr/local/etc/redis/redis.conf --name redis redis:6.0.8 redis-server /usr/local/etc/redis/redis.conf

注：--volume /usr/local/redis/redis.conf:/usr/local/etc/redis/redis.conf 表示将本地的 /usr/local/redis/redis.conf 配置文件绑定到 Docker 容器中的 /usr/local/etc/redis/redis.conf。

查看容器，可以看到 Redis 已经成功启动：

$ docker ps -aCONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS                   PORTS                               NAMES4c3aa3241302        redis:6.0.8         "docker-entrypoint.s…"   34 minutes ago      Up 16 minutes            0.0.0.0:6379->6379/tcp              redis

查看 Redis 容器的信息（下面只贴出其中的一部分）：

$ docker inspect redis[    {           "Args": [            "redis-server",            "/usr/local/etc/redis/redis.conf"        ],        "HostConfig": {               "Binds": [                "/usr/local/redis/redis.conf:/usr/local/etc/redis/redis.conf"            ]        }    }]

进入正在运行的 Redis 容器：

$ docker exec --interactive --tty redis /bin/sh

redis-server、redis-cli 等可执行文件位于容器中的 /usr/local/bin 目录中：

$ cd /usr/local/bin && ls -ltotal 26484-rwxrwxr-x. 1 root root      374 Sep 10 19:12 docker-entrypoint.sh-rwxr-xr-x. 1 root root  2404352 Apr 16 06:41 gosu-rwxr-xr-x. 1 root root  6707152 Sep 10 19:14 redis-benchmarklrwxrwxrwx. 1 root root       12 Sep 10 19:14 redis-check-aof -> redis-serverlrwxrwxrwx. 1 root root       12 Sep 10 19:14 redis-check-rdb -> redis-server-rwxr-xr-x. 1 root root  6679304 Sep 10 19:14 redis-clilrwxrwxrwx. 1 root root       12 Sep 10 19:14 redis-sentinel -> redis-server-rwxr-xr-x. 1 root root 11317848 Sep 10 19:14 redis-server

参考

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