Docker images contain all the dependencies needed to execute code inside a container, so containers that move between Docker environments with the same OS work with no changes.ĭocker uses resource isolation in the OS kernel to run multiple containers on the same OS. Each container shares the services of one underlying operating system. Container technology is available through the operating system: A container packages the application service or function with all of the libraries, configuration files, dependencies and other necessary parts and parameters to operate. How Docker worksĭocker packages, provisions and runs containers. Mirantis acquired the Docker Enterprise business in November 2019. was formed to support a commercial edition of container management software and be the principal sponsor of an open source version. Docker container technology debuted in 2013 Docker Inc. Meredith Courtemanche, Director of Editorial Trainingĭocker is an open source software platform to create, deploy and manage virtualized application containers on a common operating system ( OS), with an ecosystem of allied tools.
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