One concept. From the actual docs.

kubernetes

11 episodes · kubernetes.io/docs · playlist ↗

01 What is Kubernetes
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02 Cluster Components
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03 Pods
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04 Deployments
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05 Services
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06 ConfigMaps
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07 Secrets
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08 Persistent Volumes
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09 Ingress
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10 StatefulSets
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11 DaemonSets & Jobs
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react

10 episodes · react.dev/learn · playlist ↗

01 Your First Component
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02 Importing and Exporting
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03 Writing Markup with JSX
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04 JavaScript in JSX
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05 Passing Props
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06 State
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07 Responding to Events
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08 Conditional Rendering
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09 Rendering Lists
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10 Keeping Components Pure
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