How to access host port from docker container
To have a docker container connect to a port on the host machine, you need to use the IP of the docker bridge. Note that localhost will not work from within a docker container. That localhost (or 127.0.0.1) is the localhost of the container.
The shared localhost port is accessible via
docker0. It’s usually
You can find it with this command:
ip addr show docker0 | grep -Po 'inet \K[\d.]+'