Inspecting Container Networking Configurations

Overview

Inspecting container networking configuration in Docker can be described as the process of reviewing and retrieving detailed information regarding the network setup of a container. When a Docker container is created, it’s assigned a unique network configuration that determines its communication with the host machine, external network, and other containers.

It’s helpful when troubleshooting network issues, to get an understanding of how containers are connected, and ensuring proper security and isolation. It allows for gathering information that aids in resolving network challenges in Docker. We’ll mostly be using the docker inspect command when retrieving detailed information about Docker objects. The docker inspect command gives valuable insight into a container’s networking configuration such as the interfaces, gateway, DNS, and IP address.

Retrieving detailed information

There are several ways to retrieve various detailed ...