Day 1 - Docker Tutorial for Beginners: What It Solves & How to Install Docker

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Curious about what Docker is and why it’s so powerful in DevOps and Cloud environments? 🚀 This beginner-friendly tutorial will help you understand what problems Docker solves, how it simplifies application deployment, and walk you through how to install Docker step-by-step on your machine.

📌 What You Will Learn:
00:15 - 1:23 🎯 Introduction to Docker: Explains what problems Docker solves using real-life app examples like Amazon Prime and Swiggy.

1:23 - 6:27 🏗️ Traditional App Deployment: Walkthrough of setting up environments manually — OS, Java, libraries — and challenges faced.

6:27 - 14:53 ⚙️ Manual Setup Complexity: Describes delays, multiple environments (dev/test/prod), and time consumption in traditional setups.

14:53 - 18:31 🚀 Enter Docker: Introduces Docker as a faster solution that builds environments using Dockerfiles in seconds.

18:31 - 23:37 🧱 Dockerfile & Dependencies: Covers writing Dockerfiles, defining dependencies (Java, Spring), and building images.

23:37 - 29:50 ⚡ Speed & Portability: Highlights Docker's advantage — quick launch, consistent environments, faster go-to-market.

29:50 - 34:21 ☁️ AWS EC2 Setup: Demonstrates launching an AWS EC2 instance to install and run Docker.

34:21 - 43:19 🔐 EC2 Configuration: Guides through instance selection, key pair creation, and accessing the virtual machine.

43:19 - 47:29 🔧 Docker Installation: Installs Docker on the EC2 instance and verifies installation using commands.

47:29 - 54:13 📦 Docker Engine & Images: Explains Docker engine, enabling services, and downloading OS images from Docker Hub.

54:13 - 59:40 🪟 Launching Containers: Runs an Ubuntu container, demonstrates file creation, and clarifies Docker containers vs VMs.

59:40 - 1:03:36 ❓ Q&A - Docker vs Other Tools: Addresses doubts about switching OS inside Docker, and comparison with Ansible.

1:03:36 - 1:08:28 📝 Recap & Certification: Encourages filling out a form for certification and announces upcoming GitHub Actions session.

1:08:28 - 1:11:03 📢 Wrap-up: Final instructions to fill the Google Form, rewatch the session, and practice the exercises.

Notes : https://www.notion.so/srtechops/Day-1...

By the end of this video, you'll have a clear understanding of Docker's purpose and how to get started with it right away!

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