An Extensive Guide To Containerization And Some Of the Best Practices

An Extensive Guide To Containerization
And Some Of The Best Practices
With the expansion and explosion of cloud computing arena, the need for containers is just
getting a rise. If you are a tech-savvy programmer, you would have heard of “containers” and
how they are changing the game of complex programming. The usage of the same is gaining all
the attention from the industry. And it’s not a surprise that with so much of ease and flexibility,
big Giants like Microsoft, Google and Amazon are adopting this approach.
Few quality highlights are Adaptability, Efficiency, and High speed. Container approach
simplifies dozens of task and also manages many applications. Erstwhile, managing hardware
dedicatedly was a costly affair and more like a Tetris game. But container satisfied it all. A
Container is a small file that combines the application code along with the libraries and other
dependencies which are needed to run.

Regardless of the environment in which the application has to be run, a container packages the
application libraries, environmental variables, software binaries configuration and more. It is a
small file but with maximum flexibility and runs at a super speed owing to the usage of some
underlying host operating system’s resources. This also means various applications will have
one underlying operating system and treats each application on its own.
Programmers yet may not have hands-on experience of working with containers and ​IT
environment management tools​. But containers definitely has made life easy for hundreds of
thousands of developers and have increased the application performance with minimal effort.
Here is the guide that sheds some light on the best benefits of working with containers and
have an efficient ​IT environment management​. Administrators can create containers and run
many of them at a time, which consequently reduces the computing time and storage load.
They are cloud-friendly in nature, which allows the automatic deployment of the same. Few
other benefits are:

Lightweight:
It is not required to have a full OS installed per application. It shares the machine OS Kernel
which makes them small and compact in size and easy on resources.
Efficient and Scalable:
Since the size of the container is considerably small, they can easily be spin up and deleted
whenever required. It makes the IT environment agile, which further helps in growing business
leaps and bounds. It shouldn’t come as a surprise to have thousands of containers in a single
computing environment.

Portable:
As described above, a container has all the dependencies, libraries covered with it. This means
it can run on a variety of computing environments without consuming much time and making
the complicated process much easier. Also, it extends support to automation replacing the
manual scripting. This way, it creates a more guaranteed and maximised portability.
Supports agile development:
Containers are created, keeping in mind the cloud-first development. Being agile, containers
support continuous integration for a DevOps environment.

It offers enhanced computing capabilities:
An application can be divided into many domains all within one single container. Owing to the
highly portable nature, the execution of containers on different cloud platforms becomes easy
and efficient. The developers have the freedom to choose the platform on which they want
their application to run depending on the cost and performance efficiency requirement.
Leverages policy-based optimisation:
The automation facility provides an extra layer which will help in locating the best platform to
execute the application. Also, the containers deal automatically with the configuration and
meet the requirement.
The next part focuses on practices that can be implemented for
scaling containers:
● Invest sufficient time for designing a proper architecture of container-based
applications. Insufficient and poor designs often lead to scaling issues with containers;

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It is advisable to have a proof of concept in order to find out the real scaling capabilities.
It is allowed to take the help of automated testing tools for stimulating the workloads
and a considerable amount of data for ​Test environment management tool​.
Do not follow the approach followed by others. The company’s requirement may differ
from the one you are taking inspiration from. What works for them may not work for
your company.
Do not compromise or overlook the security and governance of the application. Along
with the scaling of containers, even these properties have to be scaled.
The scaling factor may confuse and look a bit tricky, but with sufficient understanding and
knowledge of the containers and the technology, you can bloom out the right scalable strategy.
Containerization thus gives wings to the administrators for running more applications than ever
before. It helps the team build robust and agile applications in less time and involving fewer
efforts. So let’s get Containerizing and cope up the business with the changing business
scenario.

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