How Does Kubernetes On AWS Works?
How Does Kubernetes On AWS Works? In an orchestra, the conductor guides & manages the musical performance and creates beautiful musical artwork. Just like the conductor, Kubernetes on AWS also works as a reliable & scalable orchestrating tool for your app cloud performance. Kubernetes controls all aspects of your app using AWS services and smoothes the total operation just like the way you want.
In this article, we will run over the idea of using Kubernetes on AWS and how it works. Then you will realize why you should consider using Kubernetes for your & your organization’s benefits. So, without any further delay, let’s get you into it.
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The Concept of Kubernetes on AWS
Kubernetes on AWS is Amazon’s service that offers help & management with the deployment of apps on workloads with no downtime. It can deploy on physical or virtual machines, cloud, or even hybrid models. Mainly, It handles the logical containers in your app.
You can build an app for your organization using modern container architecture. To deploy it on AWS, you will need to handle hundreds of containers and provide the necessary resources to run them simultaneously. It’s not simple to do it manually. Kubernetes service on AWS will do that automatically for you. Amazon EKS & ECS services are always ready to roll with you.
How Kubernetes works
In Kubernetes, they divide their work into two sections. One is the Master node & the other is its worker node.
The worker nodes stand to handle several pods in an app. Pods are groupings of containers. You can run & scale one or more containers at a time with the help of a pod. So, you start developing your app using pods, and then you deliver them to the master node. The master node will decide where & how to deploy it.
But Kubernetes on AWS takes the pod and deploys them to worker nodes automatically. And in case the nodes go down or need more nodes, Kubernetes start to release new pods to function the exceed one’s properly. This happens when the app faces a lot of user access at a time.
The Idea to use Kubernetes on AWS
In the case of AWS, it is so much popular to host an app nowadays. Its popularity comes with the workload, and customers rely on that service more. That’s why AWS has to come with an advanced method to meet customer expectations.
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In monolithic architecture, developers usually combine all transactional and third-party interface components into a single deployable package. It was a widely utilized approach at the time, and it is still in use now. However, these are not without flaws.
- For its package singularity, deployment can take a long time.
- If you see any problems in one of its modules, you have to change the whole application.
- It requires more resources & computing power than other architectures.
Now, developers have come up with microservices. It splits the functionality into separate multiple artifacts. So
- You can find and solve any issues easily
- Easy to update
- Provides more scaling & avoid app bottlenecks
However, the challenge is that you will need to use additional resources & equipment with so many services.
Then developers decide to pack them in containers. It indicates their services function in the same manner regardless of location & environment. They can be certain their services will deliver and operate in the same manner despite where they are used.
But now the question is
- how the containers will communicate with one another?
- In these containers, how can an app developer debug problems and keep track of it?
- How to upgrade them simply?
what is Kubernetes?
Here comes the idea to use Kubernetes. The main purpose of it is to manage these containers like a conductor in an orchestra. It manages the containers with their dependencies and essential services. Because they are all wrapped up in containers package. Also, it
- Run these containers on working machines or nodes
- These nodes are grouped and form a cluster.
- It also provides its endpoints, DNS, resource storage with scalability.
Google first launched & developed Kubernetes. Because of its scalability and efficiency, cloud-native services are also adopting it. Kubernetes on AWS are handling & solving its many issues more effectively than traditional ones.
Kubernetes vs. Docker
The debate over Kubernetes vs. Docker is sometimes portrayed as a binary choice, like should I use Kubernetes or Docker? The fact is they are basically different technologies. And they support each other when it comes to developing, deploying, and scaling containerized apps. We will discuss why you should use Kubernetes over docker.
Why do we use Kubernetes over Docker?
Docker has some issues that lag behind to use with Kubernetes. Issues are like
- Co-ordination and scheduling problems of containers
- Problems to upgrade an application without causing any service interruptions
- Difficult to keep track of an application’s health, detect problems, and smoothly relaunch it
Steps to overcome these by Kubernetes
Kubernetes uses Container Runtime Interface (CRI) to communicate and operate the Kubernetes and container runtimes effectively. Also, rktnetes were released to enable rkt container engine to get one step forward. So Kubernetes offers the total solution. It’s a good thing because you don’t need to look out elsewhere. However, some developers use docker and Kubernetes together to make more robust & highly available apps.
The app developer tells what the Kubernetes cluster will look like. They don’t have to do everything by hand. However, microservices still have their own set of issues, as we already explored. And for some apps, monolith architecture may be a preferable alternative. The best thing is monolith can still run on Kubernetes.
As a result, the advantages of Kubernetes are dependent on you and your developer. But basically, we all prefer containers with Kubernetes for their great scalability. It will more come to light when managing the larger clusters. If you want to operate at scale, you will definitely need a platform like Kubernetes who will do all the management, deployment tasks automatically. Moreover, it utilizes the resource power and computes the power of you and your server more effectively.