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Jeff Blaize616 Points
Does Docker lose its efficiency advantage when using a base VM (like Ubuntu) with cmds like apt-get update -y ?
For example, you had in your Dockerfile:
FROM ubuntu:latest RUN apt-get update -y RUN apt-get install -y python3 CMD ["app.py"]
This seemingly would indicate you're running a docker image with an entire Ubuntu OS, including the dependencies to support the OS. When you run docker in this fashion, are you actually losing the efficiencies over running a regular, stripped down OS on a regular VM?