Docker Hands-On Project for Beginners | Dockerize App, Build & Push Image, Dockerfile Explained

Source: Dev.to

Overview

If you’re starting your DevOps journey or want to build a strong foundation in containerization, this hands‑on Docker project will help you understand everything in the simplest and most practical way.

In this 28‑minute video, I walk through a complete step‑by‑step Docker workflow that beginners can easily follow.

What This Video Covers

• Dockerizing a Frontend Application – Learn how to containerize a simple frontend app from scratch.
• Building a Docker Image – Understand how Docker builds images and how to optimize the Dockerfile.
• Pushing Image to Docker Hub – A full demo of logging in, tagging the image, and pushing it to Docker Hub.
• Dockerfile Explained (Line‑by‑Line) – Clear and simple explanation of each command used in the Dockerfile.
• Why Docker Desktop Uses High CPU & RAM – Insight into resource usage issues and how to manage them.
• Bonus PDF – A free PDF containing all Docker commands used in the session for quick reference.

Watch the Full Video

Watch on YouTube

Check the video description for the PDF link.

This tutorial is designed to help students, beginners, and aspiring DevOps engineers gain real hands‑on experience with Docker. It’s a perfect starting point for interview preparation or learning containerization from scratch.

Feel free to share your feedback and progress! 🚀