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🔵 PHASE 1 FOUNDATION (Weeks 1–6)

🎯 Goal

By the end of this phase, you should be able to:

  • Build a backend without copying tutorials
  • Understand HTTP flow clearly
  • Store & retrieve data from DB
  • Push a real project to GitHub

🧱 Tech Stack (locked)

Layer Tool
Runtime Node.js
Database PostgreSQL
Tools Git, Postman, Linux terminal

⚠️ Rules (follow strictly)

  • No long YouTube courses
  • Build while learning
  • Push code DAILY
  • Don't skip raw HTTP server

📅 WEEK 1–2 → JavaScript + Core Thinking

🎯 Focus

Become comfortable writing JS without thinking.

🔹 Topics to Learn

  • Variables (let, const)
  • Functions (normal + arrow)
  • Arrays & Objects
  • Loops
  • Error handling (try/catch)

🔥 MOST IMPORTANT

  • async/await
  • Promises

🛠️ What to BUILD

Do NOT just read. Build these:

  • File reader — read/write file
  • API fetcher — call public API
  • Simple logger — write logs to file
  • JSON parser tool

📁 GitHub Structure

phase-1/
 ├── week-1-js-basics/
 ├── week-2-async/

✅ Outcome Check

If you can:

  • Write async code without Google
  • Handle errors properly

👉 Move ahead. Otherwise repeat.

📅 WEEK 3–4 → HTTP + Raw Backend

🎯 Focus

Understand how backend ACTUALLY works.

🔹 Topics

  • HTTP request/response
  • Methods (GET, POST)
  • Headers
  • Status codes (basic)

🛠️ Build (IMPORTANT)

Use Node core — NO Express:

const http = require('http');

http.createServer((req, res) => {
  if (req.url === "/") {
    res.end("Home");
  }
}).listen(3000);

Extend it:

  • Add routes (/about, /api)
  • Return JSON
  • Handle POST data

🧠 Also Learn — Linux Basics

  • ls, cd, mkdir
  • File permissions
  • curl commands

📁 GitHub Structure

phase-1/
 ├── week-3-http-server/
 ├── week-4-linux/

✅ Outcome Check

If you can:

  • Explain request flow
  • Build a basic server

👉 You're ahead of most students.

📅 WEEK 5–6 → Database + Git

🎯 Focus

Store real data — this is backend core.

🔹 Database (PostgreSQL)

Learn:

  • CREATE TABLE
  • INSERT, SELECT
  • JOIN
  • INDEX (basic idea)

🛠️ Build

  • Connect Node → PostgreSQL
  • Create table: URLs
  • Store data
  • Fetch data

🔹 Git (important)

Learn:

  • branch
  • merge
  • Resolving conflicts

📁 GitHub Structure

phase-1/
 ├── week-5-db/
 ├── week-6-integration/

🚀 PHASE 1 FINAL PROJECT (MANDATORY)

👉 URL Shortener

Features:

  • Create short URL
  • Redirect to original
  • Store in DB
  • Track clicks

📁 Final Structure

phase-1/
 ├── url-shortener/
 ├── README.md

🧾 README should include

  • What you built
  • Tech used
  • How to run
  • What you learned

📊 DAILY ROUTINE (don't ignore)

Block Hours Focus
🖥️ Backend 2–3 hrs Build & learn
🧠 DSA 2 hrs Problem solving
📐 Aptitude 1 hr Practice