intermediate Premium path

Docker Networking

Understand how containers talk — to each other, to the host, and to the world — and how to debug it when they don’t.

Skills you’ll gain

Bridge & host networkingPort publishingService DNSCustom networksConnectivity debugging

Prerequisites

• Docker Fundamentals path

Course modules

Module 1: The container network model

Bridges, DNS, and publishing.

📖 Bridge and host networking 12 min
📖 DNS between services 12 min
🧪 Lab: Diagnose a Docker DNS Failure 30 min

Earn the Docker Networking certificate

Complete every lesson and pass all lab validations to earn a DevOps AI Toolkit completion certificate with a public verification link. Certificates are issued by DevOps AI Toolkit and are not affiliated with Docker, Inc.