docker安装redis

sudo docker pull redis

ubuntu@VM-0-13-ubuntu:~$ sudo docker pull redis
Using default tag: latest
latest: Pulling from library/redis
c499e6d256d6: Already exists 
bf1bc8a5a7e4: Pull complete 
7564fb795604: Pull complete 
ec6e86f783e4: Pull complete 
1371d6223f46: Pull complete 
021fd554320f: Pull complete 
Digest: sha256:a732b1359e338a539c25346a50bf0a501120c41dc248d868e546b33e32bf4fe4
Status: Downloaded newer image for redis:latest
docker.io/library/redis:latest

sudo docker images

sudo mkdir -p /mydata/redis/conf
sudo touch /mydata/redis/conf/redis.conf

sudo docker run -p 6379:6379 --name redis -v /mydata/redis/data:/data \
-v /mydata/redis/conf/redis.conf:/etc/redis/redis.conf \
-d redis redis-server /etc/redis/redis.conf

sudo docker exec -it redis redis-cli

set a 100

get a

修改配置文件：
sudo vim  /mydata/redis/conf/redis.conf
添加配置：
appendonly yes

重启redis容器：
docker restart redis
设置a=200，返回OK
set a 200
获取a的值，返回"200"
get a
重启redis容器
sudo docker restart redis
重新连接redis容器
sudo docker exec -it redis redis-cli
获取a的值
get a,返回"200"