code: func validateContainerResourceName(value string, fldPath *field.Path) field.ErrorList {
  	allErrs := validateResourceName(value, fldPath)
  
  	if len(strings.Split(value, "/")) == 1 {
  		if !helper.IsStandardContainerResourceName(value) {
  			return append(allErrs, field.Invalid(fldPath, value, "must be a standard resource for containers"))
  		}
  	} else if !helper.IsNativeResource(core.ResourceName(value)) {
  		if !helper.IsExtendedResourceName(core.ResourceName(value)) {
  			return append(allErrs, field.Invalid(fldPath, value, "doesn't follow extended resource name standard"))
  		}
  	}
  	return allErrs
  }
docs: // Validate container resource name
  // Refer to docs/design/resources.md for more details.