Each VM has its own operating system, so a Linux VM can run on the same host as a Windows VM.
They also provide great isolation, provided by the hypervisor software that runs on the host computer. VMs provide high-density hosting, where multiple VMs can share CPU memory and storage resources from their host. What are Docker Containers?Įveryone is probably familiar with the concept of a virtual machine (VM) - a computer that runs its own operating systems and applications, creating a virtual system. In this article, I'll look at several things, such as what Docker containers are, how you can containerize an ASP.NET Core application, and how to use an IDE like JetBrains Rider to build and debug applications in a Docker container. NET Core came about in 2016, all of a sudden, C# Web applications can run in a containerized environment as well! But ever since Docker came into existence in 2012-2014, containers took off big time.
Containers have been around for a long time - I remember running a PHP application in a Linux container somewhere around 2004.
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