Web Engineering Notes

Mar 11, 2026

Next.js + FastAPI Tutorial: Connect Frontend to Backend Step-by-Step

In this tutorial, you will learn how to connect a Next.js frontend to a FastAPI backend. We will build a simple full-stack application where the frontend fetches data from an API and displays it in the UI. You will also learn how to handle CORS, fetch API data, and understand how frontend and backend communicate in modern web applications.

FastAPINext.jsFull-Stack

Mar 7, 2026

FastAPI + SQLAlchemy Tutorial: Build a CRUD API Step-by-Step for Beginners

This tutorial teaches beginners how to build a CRUD API with FastAPI and SQLAlchemy. You’ll learn project setup, database connection, models, Pydantic schemas, CRUD functions, API routes, and testing using Swagger UI. By the end, you will have a fully functional backend API ready to use.

FastAPISQLAlchemy

Feb 28, 2026

Full-Stack VPS Deployment Commands – FastAPI, Next.js & PM2

A comprehensive personal guide for deploying full-stack applications on VPS. Includes commands and setups for FastAPI, Next.js, PM2, Nginx, SSL, PostgreSQL, and Linux server management.

VPSDeployment

Feb 27, 2026

Python Classes for Beginners: Learn Objects, Attributes & Methods Step by Step

Master Python classes with practical examples. Learn about objects, attributes, methods, and key OOP concepts like inheritance, polymorphism, and encapsulation—perfect for beginners.

PythonClass

Feb 23, 2026

What is a Library in Programming? Beginner-Friendly Explanation with Examples

Learn what a library is in programming, why it’s important, and how to use it with real examples in Python and JavaScript. A beginner-friendly guide for developers.

LibraryProgramming

Feb 17, 2026

FastAPI Authentication with JWT (Step-by-Step)

Learn how to create a JWT in FastAPI step by step. Generate access tokens, set expiration, and protect routes with secure authentication.

JWTFastAPIAuthentication

Feb 11, 2026

How To Fix CORS Issues In FastAPI?

CORS issues arises in the backend server such as FastAP. In this detail guide you will learn how to fix CORS issues in FastAPI.

CORSFastAPI

Feb 3, 2026

What is DOM — A Complete Beginner Guide

DOM is one of the core concept of the web development. Understanding DOM is necessary to make the webpage interactive. Learn what the DOM is in a beginner-friendly way.

DOMDOM Manipualtion

Jan 26, 2026

Next.js Production Best Practices | Performance, SEO & Scalability

Learn proven Next.js production best practices to optimize performance, improve SEO, and build scalable apps ready for real-world traffic.

Next.jsBest Practices

Jan 21, 2026

How to Fix Website Changes Not Showing in Next.js | A Step By Step Solution

Website changes not showing even after restart can be frustrating. This guide explains the real causes behind this issue in Next.js production, including build problems, browser caching, and PM2 process errors, with clear step-by-step fixes.

Next.jsCachingStatic ContentPM2

Jan 18, 2026

How to Fix 502 Bad Gateway Nginx (A Step by Step Guide)

Fix 502 Bad Gateway error in Nginx when your backend server is not responding. Step-by-step guide with real commands and examples for Python and Node.js apps.

502NginxBad Gateway