How is Docker different from a normal virtual machine?
Docker isn't a virtualization methodology. It relies on other tools that actually implement container-based virtualization or operating system level virtualization. For that, Docker was initially using LXC driver, then moved to libcontainer which is now renamed as runc. Docker primarily focuses on automating the deployment of applications inside application containers. Application containers are designed to package and run a single service, whereas system containers are designed to run multiple processes, like virtual machines. So, Docker is considered as a container management or application deployment tool on containerized systems. In order to know how it is different from other virtualizations, let's go through virtualization and its types. Then, it would be easier to understand what's the difference there. Virtualization In its conceived form, it was considered a method of logically dividing mainframes to allow multiple applications to run simultaneously. Howeve...
