Efazul Karim
Tech Blog

Articles, Guides & Engineering Notes

Thoughts, insights, and guides on web development, design, and modern technologies. Browse through my articles to learn something new or find solutions to common challenges.

ai
ai workflow
api gateway
architecture
backend
claude
conversion
databases
deployment
devops
digitalocean
docker
dokploy
expressjs
fastapi
frontend
frontend architecture
instagram
interview
knowledge management
landing page
learning
literature review
load balancer
marketing
microservices
multi-tenant architecture
nginx
performance
pm2
postgresql
prisma
prompts
react
research
reverse proxy
saas
scalability
security
sql
system design
typescript
ux
vite
vps
web development
Showing 9 articles of 13 total(Page 1 of 2)
How to Create a .claude Folder for a Frontend SPA
claudereact+4

How to Create a .claude Folder for a Frontend SPA

A practical blueprint for structuring Claude project memory, skills, agents, rules, commands, hooks, and templates for a React + TypeScript + Vite single-page app.
Kazi Efazul Karim
11 min read
Deploying a FastAPI Backend on DigitalOcean with Dokploy and Docker
fastapidocker+6

Deploying a FastAPI Backend on DigitalOcean with Dokploy and Docker

A practical production deployment setup for FastAPI using Docker and Dokploy on a DigitalOcean VPS, with PostgreSQL, HTTPS, and operational hardening.
Kazi Efazul Karim
4 min read
The 9 Prompts That Turn a Stack of Papers Into a Real Literature Map
researchliterature review+4

The 9 Prompts That Turn a Stack of Papers Into a Real Literature Map

A practical prompt system for moving from paper summaries to a structural map of any research field.
Kazi Efazul Karim
6 min read
Complete Guide: Deploying an Express.js App with PostgreSQL on a VPS
expressjspostgresql+7

Complete Guide: Deploying an Express.js App with PostgreSQL on a VPS

A practical end-to-end deployment guide for Express.js + PostgreSQL using PM2, Nginx, and Git-based CI/CD, including Prisma P3006 troubleshooting.
Kazi Efazul Karim
6 min read
Beyond the Fold: Anatomy of a High-Conversion Landing Page
conversionlanding page+3

Beyond the Fold: Anatomy of a High-Conversion Landing Page

An 8-step conversion framework for developers: from intent-driven hero sections to trust-focused footers that increase landing page performance.
Kazi Efazul Karim
3 min read
Beyond the Tutorial: 5 Hard-Earned Lessons in SQL Optimization
sqlperformance+3

Beyond the Tutorial: 5 Hard-Earned Lessons in SQL Optimization

Five practical SQL optimization lessons from production systems: indexing trade-offs, query shape, sargability, correlated subqueries, and schema design balance.
Kazi Efazul Karim
3 min read
Decoding System Design: Load Balancer vs. Reverse Proxy vs. API Gateway
system designarchitecture+5

Decoding System Design: Load Balancer vs. Reverse Proxy vs. API Gateway

Understand when to use a load balancer, reverse proxy, or API gateway in modern architectures. A practical breakdown with examples and decision rules.
Kazi Efazul Karim
4 min read
Complete Guide to Multi-Tenant Architecture
system designmulti-tenant architecture+4

Complete Guide to Multi-Tenant Architecture

A practical guide to multi-tenant architecture: models, trade-offs, tenancy resolution, security boundaries, scaling, and migration strategy.
Kazi Efazul Karim
5 min read
Cracking the Frontend System Design Interview: Designing an Instagram Feed
frontendsystem design+2

Cracking the Frontend System Design Interview: Designing an Instagram Feed

A frontend system-design walkthrough for the Instagram feed: scoping requirements, infinite scroll, list virtualization, optimistic UI, and performance trade-offs.
Kazi Efazul Karim
4 min read
2