preface

There is little knowledge in this article , Just for the sake of new partners

1. Problem recurrence

*
Create container

2. Interpretation of parameters

-d:  Background run container , And return to the container ID;

-i:  Run container in interactive mode , Usually associated with -t At the same time ;

-p:  Port mapping , The format is : host ( host ) port : Container port

-t:  Reassign a pseudo input terminal to the container , Usually associated with -i At the same time ;

--ip: Develop a fixed ip

--net: Specify network mode

3. Enter the container to view redis.conf file

No, it turns out redis.conf Document's , Then this is the novice step on the pit stage , Because there is no systematic learning docker So it will take a lot of time

 

2. solve the problem

What about the lack of configuration files ! That's because redis The configuration file inside the container needs to be mapped in when the container is created

Then we need to delete the container we created before , You need to stop the container before deleting it

Stop container :docker container stop redis-test

Delete container :docker container rm redis-test

1. Start recreating redis container

docker run -itd  --name  redis-slave  -v
/usr/local/redis/redis.conf:/etc/redis.conf -v
/root/usr/local/redis/data:/data  --net mynetwork  -p 6381:6379  --ip
172.10.0.3  redis

Parameter interpretation :

-v /usr/local/redis/redis.conf:/etc/redis.conf: Mapping profile

-v /root/usr/local/redis/data:/data: Mapping data directory

Then there will be redis Configuration file

 

Build agreed mount external configuration

It's on my host computer redis In the case of , So the host doesn't have one redis The situation

The mapping here is actually mounting external configuration and data installation

1. establish docker Unified external configuration file

mkdir -p docker/redis/{conf,data}

2. stay conf directories creating redis.conf Configuration file for

touch /docker/redis/conf/redis.conf

3. redis.conf The content of the file needs to be downloaded by yourself , A lot online

4.  Create startup container , Load the configuration file and persist the data

docker run -d --privileged=true -p 6379:6379 -v
/docker/redis/conf/redis.conf:/etc/redis/redis.conf -v /docker/redis/data:/data
--name redis-test redis redis-server /etc/redis/redis.conf --appendonly yes

Parameter description :

--privileged=true: In container root Have real root jurisdiction , Otherwise, in the container root External normal user rights only

-v /docker/redis/conf/redis.conf:/etc/redis/redis.conf: Mapping profile

-v /docker/redis/data:/data: Mapping data directory

redis-server /etc/redis/redis.conf: Specify profile startup redis-server process

--appendonly yes: Enable data persistence

There are also some concepts here. Novices may be confused , It will be explained later , Just know how to use it , It's late at night , Good night everyone. !

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