It uses a number of the Linux kernel’s features such as namespaces, cgroups, AppArmor profiles, and so on, to sandbox processes into configurable virtual environments.
#Why use docker and kubernetes portable#
It is an open source framework that automates the deployment of applications in lightweight and portable containers.
These Secrets are used especially while configuring the application without having to reconstruct the image.ĭocker is a lightweight containerization technology that has gained widespread popularity in the cloud and application packaging world. Configuration Management and Secrets : All classifies information like keys and passwords are stored under module called Secrets in Kubernetes.Deployments and Automatic Rollbacks : During the configuration changes for the application hosted on the Kubernetes, progressively monitors the health to ensure that it does not terminate all the instances at once, it makes an automatic rollback only in the case of failure.Batch execution : Kubernetes manages both batch and CI workloads along with replacing containers that fail.Storage Orchestration: This feature of Kubernetes enables the user to mount the network storage system as a local file system.You can stop the containers if they don't respond to the health checks. If the Node dies, then containers are replaced or re-planned on the other Nodes. Self Repair : This is a unique feature in the Kubernetes which will restart the container automatically when it fails.Auto Scaling : Based on the CPU usage, the vertical scaling of applications is automatically triggered using the command line.Planning & Placement : Placement of the containers on the node is a crucial feature on which makes the decision based on the resources it requires and other restrictions.Service Discovery and load balancing : Kubernetes has a feature which assigns the containers with their own IP addresses and a unique DNS name, which can be used to balance the load on them.High availability by cluster federationīelow is the list of features which Kubernetes provides.
The platform itself can be deployed within almost any infrastructure – in the local network, server cluster, data center, any kind of cloud – public (Google Cloud, Microsoft Azure, AWS, etc.), private, hybrid, or even over the combination of these methods.
Nevertheless, K8s can use other engines, for example, rkt from the CoreOS. Kubernetes uses Docker to run images and manage containers. In addition, Kubernetes must keep an eye on all running containers and replace dead, unresponsive, or otherwise unhealthy containers. The containers must be packed efficiently following the constraints of the deployment environment and the cluster configuration. That means making sure that all the containers that execute various workloads are scheduled to run physical or virtual machines. The primary responsibility of Kubernetes is container orchestration.
#Why use docker and kubernetes code#
Kubernetes is a HUGE project with a lot of code and functionalities.
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