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Issue description: 

 Halfway through the video, instructor is referencing "CMD" in the Containerfile as "ENTRYPOINT".

However, this may cause confusion as per Containefile specifics, CMD and ENTRYPOINT are entirely two separate arguments, sometimes used in conjunction with each other, but not always.

CMD by itself will start whatever is implied and can be overwritten.

ENTRYPOINT cannot be overwritten, and CMD would be a additional argument to the ENTRYPOINT that can be overwritten. 

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