k8s

YAML File:

- Dictionary or List of Dictionaries
- To store properties of single object 
we use Dictionary/map
- If it is multiple items of the same 
type of object, we use List/Array
- By list of dictionaries, we can list
all the properties of all items.

apiVersion:
kind: 
metadata: #Dictionary / in value position multiple non-repeted key-values
  name: myapp-pod # name and labels keys are predefined; not arbitrary; could be other
  labels: #Dictionary / in value position multiple key-values 
    app: myapp # arbitrary
spec: #Dictionary
  containers: # List / Array / multiple repeted key-values
    - name: # - indicated the first item / item starting point 
      image: