Comparison Between Docker and Kubernetes

Comparison Between Docker and Kubernetes
Written by Shuvhojit DebNovember 24, 2021
6 min read
DevOps
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Shuvhojit Deb

Let's find the difference between Docker & Kubernetes.

About Docker

Docker is an open-source containerization platform. It enables developers to package applications into containers—standardized executable components combining application source code with the operating system (OS) libraries and dependencies required to run that code in any environment. Containers simplify the delivery of distributed applications and have become increasingly popular as organizations shift to cloud-native development and hybrid multi-cloud environments.

Developers can create containers without Docker, but the platform makes it easier, simpler, and safer to build, deploy and manage containers. Docker is essentially a toolkit that enables developers to build, deploy, run, update, and stop containers using simple commands and work-saving automation through a single API.

It used to be that when you wanted to run a web application, you bought a server, installed Linux, set up a LAMP stack, and ran the app. If your app got popular, you practiced good load balancing by setting up a second server to ensure the application wouldn't crash from too much traffic.

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About Kubernetes

Kubernetes is an open-source container orchestration platform for managing, automating, and scaling containerized applications. Although Docker Swarm is also an orchestration tool, Kubernetes is the de facto standard for container orchestration because of its greater flexibility and capacity to scale.

Organizations use Kubernetes to automate the deployment and management of containerized applications. Rather than individually managing each container in a cluster, a DevOps team can instead tell Kubernetes how to allocate the necessary resources in advance.

Where Kubernetes and the Docker suite intersect is at container orchestration. So when people talk about Kubernetes vs. Docker, what they mean is Kubernetes vs. Docker Swarm.

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Advantages of Docker

  1. Offers an efficient and easier initial setup
  2. Integrates and works with existing Docker tools
  3. Allows you to describe your application lifecycle in detail
  4. Docker allows the user to track their container versions with ease to examine discrepancies between prior versions.
  5. Simples configuration, interact with Docker Compose.
  6. Docker offers a quick-paced environment that boots up a virtual machine and lets an app run in a virtual environment quickly.
  7. Documentation provides every bit of information.
  8. Provides simple and fast configuration to boost your business
  9. Ensures that application is isolated

Advantages of Kubernetes

  1. Easy organization of service with pods
  2. It is developed by Google, which brings years of valuable industry experience to the table.
  3. Largest community among container orchestration tools.
  4. Offers a variety of storage options, including on-premises SANs and public clouds.
  5. Adheres to the principles of immutable infrastructure.

Docker vs Kubernetes

Docker

Installation: Easier installation.

Scale: Manual scaling.

Monitoring: Needs third-party tools for monitoring.

Load balancer: Autoload balancer

CLI type: Integrated with Docker CLI

Kubernetes

Installation: Complex installation

Scale: Supports auto-scaling

Monitoring: Built-in monitoring

Load balancer: Manual setup of the load balancer

CLI type: Need for separate CLI tool

Conclusion

It should be clear that looking at details surrounding Docker vs. Kubernetes goes beyond a simple comparison of the two. Rather, Kubernetes adds layers of automation, stability, and scalability to the already widely adopted Docker development workflow.

Either application can be put through the paces in a local development situation with very little fuss. The best thing you can do is take time to evaluate the two technologies and see where they may fit into your team’s workflow. With such low barriers to entry for both, what is right for your application is more about requirements and less about the implementation.

Docker
Kubernetes
Docker vs Kubernetes
DevOps
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Copyright techiio.com @2020
made with by Abhishek & Priyanka Jalan