Introduction to Docker: What is, Architecture, Workflow

Introduction to Docker: What is, Architecture, Workflow

In this tutorial, let's see an introduction to Docker: What is, Architecture, Workflow. Docker makes the process of the encapsulation of applications from the first step to the last, very easy and efficient.

Not so long ago from now, deploying a service was a process that was both slow and painful. The process involved the writing of code by the development team and then its deployment by the operations team on metal machines. The operations team used to have their work cut out as they had to look for language compilers, libraries, and patches to make the code work.

If the process had any errors or bugs, it would have to start all over again – the development team would fix the bugs or errors, and the operations team would again begin deploying the code.

Things got a little better when Hypervisors were developed. So, what are Hypervisors? These are a collection of virtual machines (VMs) that may be continuously be running or switched off at regular intervals, especially when not in use. Virtual machines definitely helped by accelerating the process of the fixing of errors and the deployment of code, but they still had a few issues. Docker containers came as the real game-changers. They even addressed the issues that existed in virtual machines.


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