Docker Containers Evolution

What Are Containers?

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containers start much faster and use far fewer hardware resources

Understanding Docker Containers

Docker Architecture

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  • dockerd: This is the central part of Docker — It comprises the Docker daemon that listens to the API requests and manages Docker objects
  • containerd: perform tasks like downloading images and running them as containers
  • runc: It provides a standard mechanism to create namespaces and control groups

A Typical Docker Workflow

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Understanding Docker Images

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all the layers in this final image are read-only

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Storage with Docker

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Networking with Docker

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