Introduction to Backend with Nodejs, Express, MongoDB ...

1. Title — the three tools introduced visually 0:20 2 What Is Backend Development? — frontend vs backend, restaurant analogy 1:00 3 How the Web Actually Works — 4-step request/response flow + worked example 1:00 4 Meet Your Toolkit — Node, Express, MongoDB side by side 0:45 5 What Is Node.js? — with a runnable hello.js demo 1:00 6 What Is Express? — plain Node (13 lines) vs Express (8 lines), same result 1:00 7 What Is MongoDB? — SQL vs NoSQL + a real document 1:00 8 How the Three Fit Together — full architecture flow 0:45 9 Before We Start — prerequisites + verification commands 0:30 10 Step 1 — mkdir, cd, npm init -y 0:40 11 Step 2 — npm install express + what changes in package.json 0:40 12 Step 3 — write server.js, 4 numbered sections explained 1:00 13 Step 4 — run it, browser mockup showing the result 0:45 14 Step 5 — add routes returning text, JSON, and URL params 0:50 15 Five Mistakes Every Beginner Makes 0:40 16 Recap + Coming Next + homework brief