What are containers?
If you have worked in the software industry for some time, you might be aware of the rivalry between software developers and test engineers. One of the common terms used by developers in response to a defect is that “it works on my machine." Test engineers frequently find defects in a test environment that developers are not able to replicate in the development environment. These things happen due to environment disparities. A minor runtime version difference between environments can cause a big difference in behavior. Containers help to solve these kind of issues.
A container is an executable unit of software that packages together the application’s code, libraries, and any dependencies so the application can be run anywhere reliably without needing to worry about specific dependencies.
A container engine allows us to run containers in a host system and uses the given operating system’s virtualization features to isolate the process...
