Docker Architecture Explained | Images vs Containers vs Docker Engine | Cloud & Devops
Most Docker confusion starts with one question:
What actually happens when I run docker run?
In this video, I break down Docker architecture in simple terms so you understand how Docker works internally — not just how to type commands.
You’ll learn:
→ how Docker follows a client–server model
→ what really happens between the Docker CLI and Docker Engine
→ the real difference between images and containers
→ why images are immutable and containers are not
→ how one image can run many containers
→ what the Docker daemon actually does in the background
→ where Docker Hub and registries fit into the workflow
Once this clicks, Docker commands will finally make sense instead of feeling magical.
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🏁 Timestamp:
00:00 Introduction
00:40 Docker Architecture Overview
02:05 What a Docker Image Really Is
03:20 What a Docker Container Actually Is
04:32 Image vs Container (Clear Comparison)
06:04 What Docker Engine / Daemon Does
07:33 How Docker Client Communicates with Daemon
08:49 Docker Registry and Docker Hub
21:30 Complete Docker Workflow Explained
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