Dockerfile Explained for Beginners 🔥 | Full Example with Python App

Pubblicato il: 11 maggio 2025
sul canale di: Rishabh Mishra DevOps

42,856

🚀 Learn How to Write a Dockerfile (Beginner-Friendly)
If you're new to Docker, this video is the perfect starting point! We’ll break down each part of a Dockerfile in a way that even complete beginners can understand.

📦 What you'll learn in this video:

What happens before and after writing a Dockerfile

Step-by-step explanation of each Dockerfile instruction

Real-world example using a Python app with app.py and requirements.txt

Building Docker images and running containers

🧑‍💻 Topics Covered:

FROM: Choosing a base image

WORKDIR: Setting the working directory

COPY: Moving your files into the image

RUN: Installing dependencies

CMD: Running your Python app

🔧 Example Used:
A minimal Python project that runs app.py using Flask or any basic script

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📲 Connect with me here:
🔗 Website: https://rishabhmishraacademy.in
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⏱️ Timestamps:
00:00 Intro
00:29 FROM – Base Image
00:34 WORKDIR – Working Directory
00:37 COPY – Copy Files
00:45 RUN – Install Dependencies
00:49 CMD – Run the App

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Docker for Beginners – Full Playlist

DevOps Roadmap 2025 – Complete Guide

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