Docker Images vs Containers | Tags, Versions, Image ID & dockerignore (Hands-on Lab) | Hindi

Описание: In this chapter 5.2, we take a deep and practical dive into Docker Images, Containers, Image Tags, Versions, and dockerignore using a real Node.js example.

This chapter is designed to remove common Docker confusion that most beginners and even intermediate developers face in real projects.

🔍 What you will clearly understand in this video:

The real difference between Docker Images and Containers
What actually happens when you rebuild an image with the same tag
Why existing containers do NOT update automatically
Docker Image ID vs Image Tag explained in depth
Why containers should be replaced, not modified
How dockerignore reduces image size and build time
Docker best practices followed in real production systems

Instead of theory, this video explains Docker behavior step by step, showing how Docker works internally and how you should work with it in real-world applications.

This chapter builds strong Docker fundamentals and prepares you for advanced topics like CI/CD, Kubernetes, and production deployments.

👉 Perfect for:

Docker beginners
Backend & Full-Stack developers
DevOps learners

👍 If this video helps you:
• Like the video
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• Share with friends preparing for DevOps / Cloud roles

🔔 New videos added regularly

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