doc : add note clarifying defaultContainerResources behavior and add reference link (#2053)

Added a note to the GoDoc for DefaultContainerResources explaining how actual
resource values are calculated — as the sum of CheCluster defaults and editor
overhead. Included a link to the official Che documentation for more details.

Signed-off-by: Rohan Kumar <rohaan@redhat.com>

Author: rohanKanojia

api/v2/checluster_types.go

@@ -127,6 +127,13 @@ type CheClusterDevEnvironments struct {
 	DefaultComponents []devfile.Component `json:"defaultComponents,omitempty"`
 	// DefaultContainerResources defines the resource requirements (memory/cpu limit/request) used for
 	// container components that do not define limits or requests.
+	// Note: The actual pod container resource values exactly match the sum of:
+	// - The resource requirements configured via this field, plus
+	// - The used Editor overhead (varies from editor to editor).
+	//
+	// For more details, see:
+	// https://eclipse.dev/che/docs/stable/administration-guide/calculating-che-resource-requirements/
+	//
 	// +optional
 	DefaultContainerResources *corev1.ResourceRequirements `json:"defaultContainerResources,omitempty"`
 	// ContainerResourceCaps defines the maximum resource requirements enforced for workspace

bundle/next/eclipse-che/manifests/che-operator.clusterserviceversion.yaml

@@ -86,7 +86,7 @@ metadata:
     categories: Developer Tools
     certified: "false"
     containerImage: quay.io/eclipse/che-operator:next
-    createdAt: "2026-04-15T15:08:42Z"
+    createdAt: "2026-04-20T08:28:08Z"
     description: A Kube-native development solution that delivers portable and collaborative
       developer workspaces.
     features.operators.openshift.io/cnf: "false"
@@ -108,7 +108,7 @@ metadata:
     operatorframework.io/arch.amd64: supported
     operatorframework.io/arch.arm64: supported
     operatorframework.io/os.linux: supported
-  name: eclipse-che.v7.117.0-973.next
+  name: eclipse-che.v7.117.0-974.next
   namespace: placeholder
 spec:
   apiservicedefinitions: {}
@@ -1144,7 +1144,7 @@ spec:
       name: gateway-authorization-sidecar-k8s
     - image: quay.io/che-incubator/header-rewrite-proxy:latest
       name: gateway-header-sidecar
-  version: 7.117.0-973.next
+  version: 7.117.0-974.next
   webhookdefinitions:
     - admissionReviewVersions:
         - v1

bundle/next/eclipse-che/manifests/org.eclipse.che_checlusters.yaml

@@ -16480,6 +16480,12 @@ spec:
                       description: |-
                         DefaultContainerResources defines the resource requirements (memory/cpu limit/request) used for
                         container components that do not define limits or requests.
+                        Note: The actual pod container resource values exactly match the sum of:
+                        - The resource requirements configured via this field, plus
+                        - The used Editor overhead (varies from editor to editor).
+
+                        For more details, see:
+                        https://eclipse.dev/che/docs/stable/administration-guide/calculating-che-resource-requirements/
                       properties:
                         claims:
                           description: |-

config/crd/bases/org.eclipse.che_checlusters.yaml

@@ -16398,6 +16398,12 @@ spec:
                     description: |-
                       DefaultContainerResources defines the resource requirements (memory/cpu limit/request) used for
                       container components that do not define limits or requests.
+                      Note: The actual pod container resource values exactly match the sum of:
+                      - The resource requirements configured via this field, plus
+                      - The used Editor overhead (varies from editor to editor).
+
+                      For more details, see:
+                      https://eclipse.dev/che/docs/stable/administration-guide/calculating-che-resource-requirements/
                     properties:
                       claims:
                         description: |-

deploy/deployment/kubernetes/combined.yaml

@@ -16419,6 +16419,12 @@ spec:
                     description: |-
                       DefaultContainerResources defines the resource requirements (memory/cpu limit/request) used for
                       container components that do not define limits or requests.
+                      Note: The actual pod container resource values exactly match the sum of:
+                      - The resource requirements configured via this field, plus
+                      - The used Editor overhead (varies from editor to editor).
+
+                      For more details, see:
+                      https://eclipse.dev/che/docs/stable/administration-guide/calculating-che-resource-requirements/
                     properties:
                       claims:
                         description: |-

deploy/deployment/kubernetes/objects/checlusters.org.eclipse.che.CustomResourceDefinition.yaml

@@ -16414,6 +16414,12 @@ spec:
                     description: |-
                       DefaultContainerResources defines the resource requirements (memory/cpu limit/request) used for
                       container components that do not define limits or requests.
+                      Note: The actual pod container resource values exactly match the sum of:
+                      - The resource requirements configured via this field, plus
+                      - The used Editor overhead (varies from editor to editor).
+
+                      For more details, see:
+                      https://eclipse.dev/che/docs/stable/administration-guide/calculating-che-resource-requirements/
                     properties:
                       claims:
                         description: |-

deploy/deployment/openshift/combined.yaml

@@ -16419,6 +16419,12 @@ spec:
                     description: |-
                       DefaultContainerResources defines the resource requirements (memory/cpu limit/request) used for
                       container components that do not define limits or requests.
+                      Note: The actual pod container resource values exactly match the sum of:
+                      - The resource requirements configured via this field, plus
+                      - The used Editor overhead (varies from editor to editor).
+
+                      For more details, see:
+                      https://eclipse.dev/che/docs/stable/administration-guide/calculating-che-resource-requirements/
                     properties:
                       claims:
                         description: |-

deploy/deployment/openshift/objects/checlusters.org.eclipse.che.CustomResourceDefinition.yaml

@@ -16414,6 +16414,12 @@ spec:
                     description: |-
                       DefaultContainerResources defines the resource requirements (memory/cpu limit/request) used for
                       container components that do not define limits or requests.
+                      Note: The actual pod container resource values exactly match the sum of:
+                      - The resource requirements configured via this field, plus
+                      - The used Editor overhead (varies from editor to editor).
+
+                      For more details, see:
+                      https://eclipse.dev/che/docs/stable/administration-guide/calculating-che-resource-requirements/
                     properties:
                       claims:
                         description: |-

helmcharts/next/crds/checlusters.org.eclipse.che.CustomResourceDefinition.yaml

@@ -16414,6 +16414,12 @@ spec:
                     description: |-
                       DefaultContainerResources defines the resource requirements (memory/cpu limit/request) used for
                       container components that do not define limits or requests.
+                      Note: The actual pod container resource values exactly match the sum of:
+                      - The resource requirements configured via this field, plus
+                      - The used Editor overhead (varies from editor to editor).
+
+                      For more details, see:
+                      https://eclipse.dev/che/docs/stable/administration-guide/calculating-che-resource-requirements/
                     properties:
                       claims:
                         description: |-