maven package docker:build - connection refused

Question

I am trying to directly build a docker image with maven with mvn package docker:build.

Docker is running and docker ps shows me my containers,

Answer 1

On Windows with Docker/Hyper-V this occurred to me with com.spotify:docker-maven-plugin:1.0.0. There is a discussion about this on another forum, where they advise to turn on

in docker Settings/General Tab. It worked for me.