How to Write a Dockerfile & Build Your Own Images - Part I | Beginner Friendly | Docker tutorial 4

🚀 Learn How to Write a Dockerfile & Build Your Own Images! 🐳

In this video, we’ll cover how to create a Dockerfile from scratch and build custom Docker images for Python, Java (Maven), and Node.js applications. Whether you're a beginner or looking to refine your Docker skills, this guide will help you containerize your applications efficiently.

📌 What You'll Learn:
✅ What is a Dockerfile & why it's important?
✅ Essential Dockerfile commands (FROM, RUN, COPY, CMD, etc.)
✅ Writing a Dockerfile for Python (Hello World Example)
✅ Writing a Dockerfile for Java (Maven) using Multi-stage Builds
✅ Writing a Dockerfile for Node.js (Simple Server Example)
🎯 Next Steps:
In the next part, we will explore Docker’s official example, where we start from downloading an application from GitHub and fully containerizing it!

📢 Let me know in the comments which Docker command you’re excited to try!


💡 More Docker Videos:
👉 https://www.youtube.com/playlist?list=PLHOxcACkSTuj7a8VdU3P13MLWLY76pYbH

#Docker #DevOps #Dockerfile #Containerization #Python #Java #Nodejs #dockertutorials


📌 EQUIPMENTS I USE :

* Laptops and Accessories:-
— MacBook Air M1 (Used for Editing) - https://amzn.to/4ibmNoe
— Lenovo Legion 5 (main laptop used for tutorials) - https://amzn.to/4hK5qLh
— Wireless Keyboard and Mouse (Logiech) - https://amzn.to/438Aqjv

* Smart Watch :-
— Apple Watch SE - https://amzn.to/4hLAryh

* Microphone:-
— Boya by V1(Wireless Microphone I use) - https://amzn.to/4hQBH3s

* Camera and accessories:-
— iPhone 13 - https://amzn.to/3EYNTQN (I use iPhone 12 but since its not available I have added iPhone 13 which has even better camera)
— Tripod (I have local tripod but its similar to this) - https://amzn.to/4gT3TkE

* Lights :-
— Ring Light and tripod - https://amzn.to/3ETa6Ai
— Desk Lamp - https://amzn.to/4miHb9R

* Other Accessories:-
— Chair - https://amzn.to/4gPA6cH
— Table - https://amzn.to/433t6Wj


Timestamps :

0:00 Introduction
0:29 What is a Dockerfile?
5:13 Containerize python app
12:00 Containerize node app
21:13 Multistage build - containerize java app
29:25 Summary
30:49 Next Steps