Kubernetes and Docker are both popular tools for managing containerized applications, but they serve different purposes.

Docker is a containerization platform that allows developers to package and deploy applications in a consistent and reproducible way. It provides a simple and easy-to-use command-line interface for creating, running, and managing containers. It also includes features such as container networking and storage.

Kubernetes, on the other hand, is a container orchestration platform that allows you to manage the scaling, deployment, and operation of containerized applications in a cluster. It provides a set of APIs and command-line tools for automating the deployment, scaling, and management of containers. It also includes features such as load balancing, service discovery, and automatic failover.

Here is a side-by-side comparison of the key features of Docker and Kubernetes:

FeatureDockerKubernetes
ContainerizationYesYes
DeploymentManual or using Compose fileAutomated using Kubernetes manifests
ScalingManualAutomatic
Service DiscoveryBuilt-in DNS or third-party toolsBuilt-in service discovery and load balancing
NetworkingBuilt-in container networkingBuilt-in service networking and ingress
StorageBuilt-in volume management or third-party toolsBuilt-in volume management and dynamic provisioning
Monitoring and LoggingThird-party toolsBuilt-in monitoring and logging

In summary, Docker is a containerization platform that allows you to package and run your application in a consistent way across different environments. Kubernetes, on the other hand, is a container orchestration platform that allows you to automate the deployment, scaling, and management of containerized applications in a cluster. While both can be used independently, they are often used together to provide a complete solution for containerized application development and deployment.