https://elated-hopper-5c0cb3.netlify.app/tags/docker/Recent content in Docker on Kailun's BlogHugoen-usSat, 23 May 2020 19:29:09 -0700https://elated-hopper-5c0cb3.netlify.app/posts/docker-network/Sat, 23 May 2020 19:29:09 -0700https://elated-hopper-5c0cb3.netlify.app/posts/docker-network/<p>In Docker we can create a new network using <code>docker network create</code> with several options. In this post we will take a look at some Linux networking concepts that are used, the basic Docker networking concepts, and how we can use these to construct a custom container network.</p> <h1 id="network-namespaces">Network Namespaces</h1> <p>Docker leverages Linux network namespaces for network isolation, like the way it uses other namespaces (e.g. process namespaces, user namespaces). A network namespace provides a shared set of network interfaces, routing table, and firewall rules. Each Docker container has its own network namespace.</p>