🐳 Docker for Absolute Beginners (2026) – Theory First, Then Hands-On

Hi everyone 👋
If you've heard:


"Just dockerize it."


…and felt confused — this post is for you.

We’ll start with clear theory (mental model first)
Then move to hands-on practical commands

By the end, Docker will feel simple.





🧠 PART 1 – Understand Docker BEFORE...