I try to create a db for my plugin and I have this. I have read that it is problems of the ip with docker but I don’t know exactly what file to touch
Don’t exactly know your environment nor what you try to do but I reckon the database server cannot be found for a much more simple reason such as localhost vs. mysql somewhere in a configuration. Maybe this is helpful as well: mysql - SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Name or service not known - Stack Overflow