Not until after 2015 when docker laid its hands-on socket plane that the docker networking started to shine. It was complex and wasn’t easy to scale either. To be brutally honest, docker networking wasn’t something to brag about in the early days. Also, how would we get containers to talk to the host machine or other containers? For this reason, we need some sort of connection between the containers and that’s exactly where the bells ring for docker networking. So, how do we get the containers to talk to the external world? Like we need them in some way to use the services that they provide. So, don’t mind me taking some sharp turns if I may.Ĭontainers bring a whole new ideology to how networking works across all your hosts as it will include everything needed to run the application - code, runtime, system tools, system libraries, settings, and everything. Please note that this article is not meant for absolute beginners with docker rather it assumes you have the basic knowledge of about docker and containers. I’m not going to talk about what docker or containers are rather, my focus would be to make the docker learning curve smooth by giving you an overview of networking. We’re going to start small, talk a little bit about the basics of docker networking, and then step up to get containers to talk to each other using more recent and advanced options that docker networking provides.
And, that’s what I’m here for to give you an overview of docker networking.
This is where docker networking lays its foot on the ground - balancing out the application requirements and networking environment. If you want your deployed container to scale as per the requirements and likes of your microservices, then you’re going to get the networking fit-in just right. Now that we’re talking about the enchanted world composed of containers, one needs to have strong networking skills to properly configure the container architecture.
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