Docker used to feel like this confusing DevOps thing I had to copy-paste my way through.
But once I took the time to actually learn it, it changed how I build, test, and ship code.
In short:
Docker packages your app and everything it needs into a container — so it works anywhere the same way.
No more “works on my machine” drama.
No more dependency hell across projects or team machines.
🧠 If you’re a developer who still feels shaky about containers, I broke it all down simply:
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