Sample CRD

MyPlatform_crd.yaml

apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  # name must match the spec fields below, and be in the form: <plural>.<group>
  name: myplatforms.contoso.com
spec:
  # group name to use for REST API: /apis/<group>/<version>
  group: contoso.com
  names:
    # plural name to be used in the URL: /apis/<group>/<version>/<plural>
    plural: myplatforms
    # singular name to be used as an alias on the CLI and for display
    singular: myplatform
    # kind is normally the CamelCased singular type. Your resource manifests use this.
    kind: MyPlatform
    # shortNames allow shorter string to match your resource on the CLI
    shortNames:
    - myp
  # either Namespaced or Cluster
  scope: Namespaced
  versions:
    - name: v1alpha
      # Each version can be enabled/disabled by Served flag.
      served: true
      # One and only one version must be marked as the storage version.
      storage: true
      schema:
        openAPIV3Schema:
          type: object
          properties:
            spec:
              type: object
              properties:
                language:
                  type: string
                  enum:
                  - csharp
                  - python
                  - go
                environmentType:
                  type: string
                  enum:
                  - dev
                  - test
                  - prod
                replicas:
                  type: integer
                  default: 2
                  minimum: 1
                  maximum: 10
                requiresIngress:
                  type: boolean
              required: ["language", "environmentType"]
          required: ["spec"]