Understanding How Containers Communicate in Docker and Kubernetes

A beginner-friendly guide to Docker networking Why This Matters When you run an application in Docker, it doesn't automatically know how to reach other services. A container is isolated by default — it has its own network namespace, its own IP address, and its own view of the world. For two services to talk, you have to explicitly connect them. We would be exploring possible scenarios for communication among containers. This is something I learned while building SwiftDeploy . My Go API and Nginx