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Kubernetes (Concepts (Pods (Comp (Shared Resources (Storage Volumes, 1…

- - - - Self Healing from Failure
      - Manage Instances of 1 App
      - <=> 1 Application <==> n Pods
  - - - N Containers
      - Shared Resources
        
        Storage Volumes
        
        1 Unique Network Addr(Cluster Wide)
        
        Infos
    - - 1 Unique IP (Cluster Wide)
  - - - Group Pods
      - <==> n Pods
      - Expose the Pods Outside Cluster
        
        LoadBalancers
        
        NodePort
      - Load Balancing
      - Service Discovery
    - - Categories
        
        ClusterIP
        
        Default, Accessible only in cluster
        
        NodePort
        
        Map service to <NodeIP>:<NodePort>
        
        LoadBalancer
        
        Cluster must have balancers
        
        ExternalName
        
        The service are provided by the service outside the cluster
    - - 1 Unique IP
      - 1 exposed Port
  - - - Organize Related Objects
    - - Key/Value
- - - - Docker Engine
      - kubelet #
    - - 1 VM or 1 physical machine
    - - Manage Pods on it
      - Communicate With Master
      - Run Container
  - - - Manage whole cluster
    - - API server