v2

type Backend struct {
	metav1.TypeMeta   `json:",inline"`
	metav1.ObjectMeta `json:"metadata,omitzero"`
	Spec              BackendSpec `json:"spec"`
}

type BackendSpec struct {
	// Img has a breaking change in that `image` has been renamed to `img`
	Img      string `json:"img"`
	Replicas int32  `json:"replicas"`
	// Meta differs from the previous version which only accepted a Labels field. Now it is within meta.
	Meta        Meta `json:"meta,omitzero"`
	NodePort    int  `json:"nodePort,omitempty"`
	ServicePort int  `json:"port,omitempty"`
}

type Meta struct {
	Labels      map[string]string `json:"labels,omitempty"`
	Annotations map[string]string `json:"annotations,omitempty"`
}