Tech Blog

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
api gateway
architecture
backend
career
conversion
database design
databases
deployment
devops
digitalocean
docker
dokploy
expressjs
fastapi
frontend
instagram
interview
knowledge-management
landing page
learning
literature-review
load balancer
marketing
microservices
multi-tenant architecture
nginx
performance
pm2
postgresql
prisma
productivity
prompts
research
reverse proxy
saas
scalability
security
software-engineering
sql
system design
ux
vps
web development
Showing 9 articles of 13 total(Page 1 of 2)
May 6, 2026
Deploying a FastAPI Backend on DigitalOcean with Dokploy and Docker
fastapidocker+5
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
1 min read
Apr 21, 2026
The 9 Prompts That Turn a Stack of Papers Into a Real Literature Map
researchliterature-review+3
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
1 min read
Mar 5, 2026
Complete Guide: Deploying an Express.js App with PostgreSQL on a VPS
expressjspostgresql+6
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
1 min read
Feb 28, 2026
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
1 min read
Feb 15, 2026
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
1 min read
Jan 23, 2026
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
1 min read
Jan 5, 2026
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
1 min read
Dec 25, 2025
Cracking the Frontend System Design Interview: Designing an Instagram Feed
frontendsystem design+2
Cracking the Frontend System Design Interview: Designing an Instagram Feed
This article covers the best SEO meta tags setup using Next.js 15's Metadata API, along with a sitemap and robots.txt for my portfolio website.
Kazi Efazul Karim
1 min read
Dec 1, 2025
How to Learn Coding in the AI Era (Without Losing Your Thinking Skills)
ailearning+3
How to Learn Coding in the AI Era (Without Losing Your Thinking Skills)
A practical roadmap to use AI for coding while still building deep problem-solving ability, debugging skills, and long-term career strength.
Kazi Efazul Karim
1 min read
2