连不上docker mysql_docker跨主机通信

宿主机连接docker中的mysql

dokcer安装mysql

docker run \

–name mysql \

-v $PWD/mysql:/var/lib/mysql \

-p 3306:3306 \

-e MYSQL_ROOT_PASSWORD=123456 \

-d mysql:5.7

宿主机连接docker中的mysql

错误的连接方式

$ mysql -u root -p

Enter password:

ERROR 2002 (HY000): Can’t connect to local MySQL server through socket

‘/var/run/mysqld/mysqld.sock’ (2)

# 可以看出这样会报错

正确的连接方式

$ mysql -h 127.0.0.1 -u root -p

Enter password:

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 9

Server version: 5.7.26 MySQL Community Server (GPL)

Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type ‘help;’ or ‘\h’ for help. Type ‘\c’ to clear the current input statement.

mysql>

在docker容器中连接宿主机中的mysql

查看宿主机和docker之间的桥接ip

$ ifconfig

docker0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500

inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255

inet6 fe80::42:8aff:febc:8533 prefixlen 64 scopeid 0x20<link>

ether 02:42:8a:bc:85:33 txqueuelen 0 (以太网)

RX packets 4779 bytes 11624681 (11.6 MB)

RX errors 0 dropped 0 overruns 0 frame 0

TX packets 6006 bytes 441594 (441.5 KB)

TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

# 宿主机在与容器同一局域网的IP地址一般是docker0对应的IP地址段的首个地址

即(172.17.0.1 )

在容器中连接宿主机的mysql

$ mysql -h 172.17.0.1 -u root -p

来源：https://www.cnblogs.com/lgj8/p/12425185.html