2022
https://blog.kubeworld.org/getting-started-with-kubernetes-1
2021
https://proglib.io/p/pervoe-znakomstvo-s-kubernetes-sozdaem-pervoe-prilozhenie-dlya-razvertyvaniya-v-klastere-2021-08-04
https://proglib.io/p/pervoe-znakomstvo-s-kubernetes-bazovye-konstrukcii-klastera-2021-07-29
Service.yaml
    apiVersion: v1
    kind: Service
    metadata:
      labels:
        app: app
      name: app
    spec:
      ports:
      - port: 8080
        protocol: TCP
        targetPort: 5000
      selector:
        app: app
      type: ClusterIP

deployment.yaml
    apiVersion: apps/v1
    kind: Deployment
    metadata:
      name: app
      labels:
        app: app
    spec:
      replicas: 2
      selector:
        matchLabels:
          app: app
      template:
        metadata:
          labels:
            app: app
        spec:
          containers:
          - name: app
            image: geksogen/learn_images:app
            ports:
            - containerPort: 5000
              protocol: TCP
              name: http
            resources:
              limits:
                cpu: 50m
                memory: 20Mi
              requests:
                cpu: 50m
                memory: 20Mi