What is Containerization in DevOps : Tools and Benefits

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Oct 16, 2023

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Containerization in DevOps

What is Containerization in DevOps?

Containerization is an effective technique for streamlining DevOps, as it integrates a convenient method of application packaging with the ability to automate specific IT provision operations. Containerization allows DevOps professionals to concentrate on their most important tasks.

What is containerization in DevOps? Containerization in DevOps is a viable option to full virtualization. In software application layers, containers are abstractions of the application level; each container represents a different software solution. It encapsulates a program in a container that runs all its operating systems. 

 Containers provide a standardized method for packaging the source code, configuration data, library, and prerequisites of your application into a single object. Small microservices or massive software platforms can be run on any operating server. 

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Benefits of DevOps Containerization

Containers are a smooth approach to development, analysis, deploy from a developer's PC to a production system and the cloud in various contexts. The following are the benefits of containerization technology

1. Easy to Use DevOps 

Containerization encapsulates the application and its contextual requirements, ensuring that an application designed in one platform runs well in another. This enables developers to collaborate on the system, which is at the heart of the DevOps mindset.

2. Multiple Cloud Platforms 

Containers can be run on various cloud applications, including Google Container Service (GCS), Amazon ECS, and Amazon DevOps Server.

3. Nature's portability 

Containers are easily transportable. A container image may be easily deployed to a virtual model and then published as a file.

4. Improved Flexibility 

Containerized programs can be efficiently deployed on a wide variety of systems and physical hardware.

5. No Additional Operating System Required 

In a virtual machine setup, the bare-metal server runs a separate host operating system than the VM. On the other hand, with containers, the Docker image can use the kernel of the bare-metal physical server's host OS. As a result, containers are far more effective than virtual machines in terms of work.

6. Optimal Resource Usage 

Containerization maximizes computing resources such as memory space and uses far limited resources than virtual machines.

7. Fast application spinning 

When a system is delivered in a shorter period, the platform becomes more convenient for executing additional system development. To update resources, the system would not have to be restarted.

CPU utilization and machine memory optimization can be implemented with automated scaling of containers while bringing the present load into view.

8. Security Updates Made Simple 

Because containers enable process isolation, it becomes significantly easier to manage security features.

9. Cost-Effectiveness 

Containerization benefits from the fact that it enables the support of several containers on a single infrastructure. As a result, despite the investment in tools, Processor, and storage, it remains a cost-effective choice for most businesses.

10. Minimal Overhead 

As containers do not have operating system copies, they utilize fewer resources as standard machine setups or virtualization hardware.

Containerization Tools in DevOps

The market is flooded with DevOps containerization tools in DevOps.

containerization tools in DevOps

1. Kubernetes-

Kubernetes is an open-source technology developed by Google and supported by the Cloud Native Computation Foundation. Kubernetes enables descriptive configuration and also automation. It can help in the automation of containerized application and application deployment, scalability, and maintenance.

Features -

  • Task scheduling and service discovery
  • Automatic rollouts, rollbacks
  • Scaling horizontally
  • Secret management and configuration
  • Self-healing
  • Execution in batches
  • Dual-stack IPv4/IPv6
  • Packing bins automatically

Kubernetes's advantages include the following -

Kubernetes shows high flexibility and an easy-to-use content management system.

With Kubernetes, creating microservices and implementing lifetime replications is simple. If the Project requires many more and also makes improvements, there is little effort required.

Kubernetes balances the load across all network parties and prevents the Master from becoming overwhelmed with all jobs at once.

2. Nomad-

Nomad is a versatile and simplistic platform for deploying and managing containers. Nomad is a unique binary that works on Mac and Windows with a minimal resource size (35MB). It does provide a standardized approach for application deployment throughout the infrastructure. Moreover, it allows integrated, containerized, and standalone programs are running on a variety of major platforms. Nomad is also getting used in industrial situations.


  • Simple & Trustworthy
  • Simplified Federation at a Large Scale
  • Verified Connectivity

Nomad's Advantages 

Nomad utilizes bin packing to optimize resource usage, enhance density, and assist in cost reduction.

It now supports containerized, replicated, and standalone apps as well.

Simplified processes ensure the safety of upgrading activities and manage machine problems automatically.

Nomad schedules virtualized, containerized, and standalone apps using a declarative job file.

3. Docker Swarm-

Docker Swarm is a declarative model-based application. You can identify the exact state of the services, and Docker will ensure that condition is managed. Docker Swarm is Docker's native networking. It consolidates several Docker servers into a single virtual Docker host. A swarm comprises multiple Docker hosts that run in Swarm mode; one operates as a manager, administering membership and employees who run the Swarm services. A Swarm cluster is made up of Docker Engine instances running on several nodes.


  • Integrated network governance with Docker Engine
  • Decentralized layout
  • Load balance
  • Secure by default
  • Continuous updates

Swarm Advantages 

Docker Swarm integrates well with Docker.

In recent versions, the swarm configuration is already performed for you.

4. Marathon

Marathon, an Apache Meso platform explicitly designed for container management, can simplify your life considerably. Apache Mesos is a free and open-source cluster management system. To schedule job opportunities, users can interact with the Marathon framework.


  • Exceptional Availability
  • UI that is both beautiful and powerful
  • Scalability & Service Discovery

Marathon's advantages 

  • It ensures ultra-high availability at all times.
  • The marathon includes multiple CLI clients, which can be installed independently of Marathon.
  • In comparison to Kubernetes, it is effortless to run locally for development purposes.

DevOps Containerization Solutions

What is containerization in DevOps? Containerization is an effective technique for streamlining DevOps, as it combines a convenient method of application development with the ability to automate some IT provisioning operations. With Containerization in DevOps, the development team can develop efficient code for an easily deployable application.

Containerized platforms are incredibly dynamic, allowing for far faster changes than VM-based setups. While this mobility is a significant feature of containers, it can also be challenging to maintain a suitable level of security while giving the requisite accessibility for developers.

DevOps delivers faster service without compromising quality with containers. Create a containerized piloting system that includes the necessary evaluation and preparation. After successful implementation, develop and finalize an enterprise-wide containerization strategy for progressive deployment. Maintain and support the system continuously. This should imply that software distribution, deployment, and implementation are automated and trustworthy.


We have found that the most crucial factor in a successful venture is not the toolset that we utilized but the people involved, the concepts that we share, the interactions between teammates, and the metrics we use. Containerization in DevOps can give additional values to preserve our production system.

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