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By Kevin McAleer, 3 Minutes
Docker networking is a key component in the deployment of applications that need to communicate within the Docker host or externally. This lesson introduces you to the fundamentals of Docker networking, helping you understand how to connect containers effectively.
Docker supports several network types, each serving different use cases. Here’s an overview:
docker run
Containers can be networked together in various ways:
docker network create
docker network ls
docker network create [name]
docker network connect [network] [container]
Port mapping is essential for making containers accessible to the outside world.
-p
docker run -p 80:80 [image-name]
hostPort:containerPort
Understanding Docker networking is crucial for deploying and managing applications effectively in Docker environments. By mastering different network types and learning how to connect and expose containers, you can ensure smooth communication for your Dockerized applications.
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