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DevOps Bootcamp by Mitesh Soni

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Containers

A container shares the operating system and device drivers of the host. Containers are created from images, and for a container with Tomcat installed, the size is less than 500 MB:

Containers are small in size and hence effectively give faster and better performance. They abstract the operating system.

A container runs as an isolated user space, with processes and filesystems in the user space on the host operating system itself, and it shares the kernel with other containers. Sharing and resource utilization are at their best in containers, and more resources are available due to less overhead. It works with very few required resources. ...

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