Docker & Kubernetes @Athlon

A brief intro to Docker and Kubernetes, what problems Docker solves and where's the value in using those two technologies, including some pros and cons.

Transcript

1. Docker & Kubernets
   @Athlon
   

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2. OS
   

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3. The "process"
   

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4. How it works
   • Processes
   
   • Kernel
   
   • (Shared) libraries (e.g. glibc)
   
   • Other shared resources
   

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5. Docker
   

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7. Two main concepts:
   images & containers
   

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8. Containers
   

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9. Images
   

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10. Other runtimes
    (oci, rockit, runc, containerd)
    

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11. Kubernetes
    

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12. "Kubernetes is an open-source system for
    automating deployment, scaling, and
    management of containerized applications."
    

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14. Design principle
    (declarative & controllers)
    

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15. API objects
    

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16. API objects
    • Pods
    
    • Volumes
    
    • ReplicaSets, DaemonSets, Deployments, StatefulSets
    
    • ConfigMaps
    
    • Services
    
    • and many more, including CRDs
    

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