Getting Started with Docker - Servers for Hackers - 0 views
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Docker is an isolated portion of the host computer, sharing the host kernel (OS) and even its bin/libraries if appropriate.
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the Docker Container contains the parts that make Ubuntu different from CoreOS.
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A Docker container only stays alive as long as there is an active process being run in it.
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Allocate a (pseudo) tty
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Keep stdin open (so we can interact with it)
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Docker allows us make changes to an image, commit those changes, and then push those changes out somehwere.
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Docker tracks any changes we make to a container
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The Dockerfile provides a set of instructions for Docker to run on a container.
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what image (and tag in this case) to base this off of
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run the given command (as user "root")
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copy a file from the host machine into the container
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expose a port to the host machine. You can expose multiple ports
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run a command
