1. error
ERROR: Network internal declared as external, but could not be found. Please create the network manually using `docker network create internal` and try again.
Should the docker-composs as defined in the bridge internal. In the real world there is no need to manually create
[devops@node01 ~]$ sudo docker network ls
NETWORK ID NAME DRIVER SCOPE
67dee9aa55b4 bridge bridge local
72d0c0240d30 host host local
70f3da176e46 none null local
Overlay bridge is no need to manually create
You can refer to:
https://blog.csdn.net/weixx3/article/details/103963238
But what instruction will complain directly
sudo docker network create --driver overlay internal
Therefore, the following commands need to use
Use instruction, you can see
[devops@node01 ~]$ sudo docker network create --driver=bridge --subnet=172.18.62.0/24 --ip-range=172.18.62.0/24 --gateway=172.18.62.254 internal（网络名在） 5b41d599a88b9c289b411822a2e84382c038fc9307a4ae969162ed24fe46b9af [devops@node01 ~]$ sudo docker network ls NETWORK ID NAME DRIVER SCOPE f7ade8baa8e0 bridge bridge local 72d0c0240d30 host host local 5b41d599a88b internal bridge local 70f3da176e46 none null local [devops@node01 ~]$
Such as the following error
Iptables linux is open. Then restart the docker, on it. Premise need to install the bridge-utils.