How does docker access redis service 6379 port in the host

1. Execute in the host ifconfig, Get current ip,

2. To configure redis

   2.1 close redis Protection mode of ( It will block access to external websites ), Start by opening redis Configuration file for redis.conf, And then find protected-mode yes One line yes Change it to no, Of course, if you are no There is no need to modify

  2.2  Make sure redis Listen to all local addresses , Not just 127.0.0.1 Address ( Only listen to this address by default ) . Or find redis.conf The binding address instruction found in the file is generally bind 127.0.0.1 :1 , Before this line #, Comment it out , Then he will listen to all local addresses .

 2.3 Log in locally redis service , That is redis-cli Then execute this command : CONFIG SET protected-mode no  , That is to close protected Pattern . Don't do this , If the Internet address is still inaccessible, an error will occur

3. Log in to your docker, Try connecting to your host redis,  have access to telnet Command test connectivity , If the prompt does not telnet, Then perform yum install telnet It'll be ready soon .  Then execute the order : telnet The host machine ip 6379 , If you can connect it, congratulations have passed , If prompted, such as refuse Things like that don't make sense , Check for yourself ip Unequal problem