mosquitto_passwd /mosquitto/config/<用户>.txt esphome
Warning: File /mosquitto/config/<用户>.txt owner is not root. Future versions will refuse to load this file.To fix this, use `chown root /mosquitto/config/<用户>.txt`.Warning: File /mosquitto/config/<用户>.txt group is not root. Future versions will refuse to load this file.Password:

容器内配置文件所有者不是容器内的root, 不改所有者可能导致未来新版本无权限无法读写密码配置. 但是docker镜像一般不更新, 所以实际上影响不大?

更改的话

docker exec mosquitto chown root:root /mosquitto/config/<用户>.txt
docker exec mosquitto chmod 600 /mosquitto/config/<用户>.txt

然后重启容器