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Kubernetes is the defacto technology for application orchestration in the modern cloud infrastructure. Kubernetes works on all common cloud platforms and all the biggest cloud providers have their own Kubernetes service available, such as GKE from Google or EKS from Amazon. Certified Kubernetes Administrators, like our guys, know the ins and outs of the tool and can implement it with experience.
Having multiple static environments running on manually provisioned machines will leave you with a complex, hard to update and costly infrastructure. Orchestrating your application containers in clusters and running clusters with Kubernetes enable efficiency, scalability, fault tolerance and cost efficiency. With Kubernetes you only need one cluster with colocated applications on same machines reducing the cost of hardware.
Kubernetes was originally developed by Google to use for automated deployment, scaling, and management of containerised applications. So Kubernetes is one tool to manage several distributed applications. This allows for a flexible architecture that integrates nicely with modern must-have features, such as a CI /CD pipeline and autoscaling which will, again, save you in costs while also improving user experience.
With Kubernetes you will have high availability as applications are self-healing, distributed to multiple machines, and load balancing. You will also have zero downtime due to rolling automated updates and roll-backs as a back-up when a major incident occurs.
Kubernetes architecture has a few basic components to start with. Firstly, there must be at least two machines which are the master node, that manages everything in the cluster, and one or more worker nodes. Nodes can be virtual or physical machines, depending on the setup and cloud provider. Each node has different services running.
Every node needs a container runtime, usually Docker, a kubelet and a kube-proxy. Kubelet is agent which makes sure that containers are running in pods. Kube-proxy maintains networking between pods. Pods are the basic unit of Kubernetes, and contain one or more containers. There are also Deployments which consists of Pods and ReplicaSets.
Though Kubernetes has a logical architecture and relatively easy installation, at least if you choose to use it with a service provider, setting up Kubernetes properly and making it do your bidding is not easy. We have Certified Kubernetes Administrators to help you out.
Hungry for more info about Kubernetes? Check our blog for writings about Kubernetes: case stories of our projects as well as insights and instructions of Kubernetes architecture, how to get started with Kubernetes, how to install and configure Kubernetes cluster, and how to deploy and manage sample application to Kubernetes cluster.
Montel cloud DevOps service portfolio encompasses the whole infrastructure modernisation journey. Apart from Kubernetes setup and management we offer cloud migration, containerisation, and an automated CI/CD pipeline, on a flexible project basis. Read more about the journey to a better infrastructure from our page:
Even when the development projects are done our Cloud DevOps / SRE team is here for you. To make sure your services run smoothly 24/7 and your infrastructure is up to date we offer MontelCare, our managed cloud service.