Kubernetes resource
A Kubernetes resource is a persistent API-managed object representing the desired or observed state of a workload, configuration, or other cluster entity.
Kubernetes in Action, Second Edition
A Kubernetes object is a persistent API resource representing a desired or observed aspect of an application or cluster.
- How it is used
- Represents application and cluster configuration that users and components manipulate through the Kubernetes API.
- How deep it goes
- Defines resources against objects, then explains common fields and controller behavior; leaves individual application object types for later detail.
- Examples
- Uses a kubectl-created Deployment, its readiness listing, and a diagram of one object exposed through multiple resources.
- What you can do after
- Operate/configure it by creating an object through kubectl or a manifest and reading its reported status through the API.
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Machine Learning Platform Engineering
A Kubernetes object is a declarative resource record that describes the desired or observed state of an application or infrastructure component.
- How it is used
- Uses resource definitions to deploy and manage a containerized API in a Kubernetes cluster.
- How deep it goes
- Works through YAML fields and kubectl operations for several resource kinds, while leaving the complete object catalog out of scope.
- Examples
- Shows a FastAPI Pod, three-replica Deployment, namespace-scoped resources, a ConfigMap, and a Secret through YAML and kubectl output.
- What you can do after
- Operate/configure it with YAML and kubectl to create, inspect, update, troubleshoot, and roll back application resources.
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Platform Engineering on Kubernetes
A Kubernetes resource is an API object that declares the desired configuration or state of a workload, service, or cluster capability.
- How it is used
- Configures containerized services, networking, and application settings while supporting inspection and deployment workflows.
- How deep it goes
- Defines common resource responsibilities and operational drawbacks but defers detailed resource reference material.
- Examples
- Uses a Conference application, container images, YAML definitions, a KinD cluster, Helm installation, and kubectl inspection.
- What you can do after
- Operate/configure services by defining YAML resources, installing them with Helm, and inspecting them with kubectl.
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Google Anthos in Action
A Kubernetes resource, also called a Kubernetes object, is an API-managed representation of a desired or observed cluster entity and its state.
- How it is used
- Deploys workloads, represents cluster entities, and supports architectural decisions and troubleshooting.
- How deep it goes
- Defines common resources and discovery commands, but stops short of comprehensive coverage of all built-in and custom types.
- Examples
- Uses kubectl api-resources, kubectl explain, resource descriptions, and an Ingress–Service–EndpointSlice troubleshooting path.
- What you can do after
- Operate/configure clusters by discovering resources, reading manifest fields, selecting resource types, and investigating deployment problems.
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Kubernetes for Developers
A Kubernetes object is a persistent API resource that represents a desired or observed entity in a Kubernetes system.
- How it is used
- Structures cluster deployment and status management through the Kubernetes API.
- How deep it goes
- Explains resource roles through Pods, Deployments, Services, nodes, lifecycle behavior, and deletion, without detailing API schemas.
- Examples
- Uses Pods, Deployments, Services, nodes, configuration files, and kubectl deletion commands as concrete resource examples.
- What you can do after
- Operate/configure resources through the Kubernetes API and kubectl, including creating, inspecting, modifying, recreating, and deleting them.
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Related concepts
- managed resourceincludes · A managed resource is a Kubernetes resource whose desired state and lifecycle are reconciled with a corresponding external infrastructure resource by a Crossplane provider.
- podincludes · A Kubernetes Pod is the smallest deployable unit in Kubernetes, grouping one or more co-located containers that share networking and other resources.
- Kubernetes Deploymentincludes · A Kubernetes Deployment is a declarative API resource that manages the desired state, scaling, and updates of a replicated application workload.
- configmapincludes · A ConfigMap is a Kubernetes API resource that stores non-confidential configuration data as key-value pairs for use by workloads and other cluster components.
- ReplicaSetincludes · A ReplicaSet is a Kubernetes workload resource that maintains a specified number of Pods matching a defined Pod template.
- Knative Serviceincludes · A Knative Service is a Kubernetes resource that defines and manages a serverless application’s deployment, revisions, traffic routing, and autoscaling.
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