Running Containers From Images

Remember when we mentioned containers are built from images? The command docker run <image> creates a container based on that image. One can say that a container is a running instance of an image. Another reminder is that this image could either be local or in the registry.

Go ahead and run the already created images docker run python-docker and docker run js-docker:

Running Containers From Images

What do you notice? The containers run outputs to the terminal's respective lines. Notice that the command preceded by CMD in the Dockerfile is the one that runs:

docker build -t python-docker:test .  and docker build -t js-docker:test .

Then, run the following: ...

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