# Container-to-Host Communication — Docker Fundamentals: Images, Containers and Compose

Source: https://www.skillbyai.com/en/docker/docker-container-to-host

> Reach services on your host from a container, and remember that localhost inside a container means the container.

## host.docker.internal

From inside a container, `localhost` refers to the **container itself**, not your host machine. Use the special DNS name `host.docker.internal` to reach services running on your host.