Docker Overview

Its primary focus is to automate the deployment of applications inside software containers and the automation of operating system-level virtualization on Linux. It’s more lightweight than standard containers and boots up in seconds.

Why Does Docker Come Into the Picture?

Before Docker, all of us faced many issues. For example, when we built the application and after testing all the scenarios, we passed them to the QA environment, and then on the machines of QA members, we needed to take care of all the dependencies and versions of assemblies and frameworks. So there is a gap between the QA and the development team, and it also wastes time. So, when we use Docker, this problem will get sorted, and we can use Docker Images on any platform without too much configuration.

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