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Journal

Writing about DevOps, infrastructure, and automation.

Field notes on building reliable pipelines, securing delivery, and collaborating across teams.

Building a Bulletproof MongoDB Cluster: A Real-World Guide to High Availability

Building a Bulletproof MongoDB Cluster: A Real-World Guide to High Availability

Dec 9, 2025
18 min read

Ever wondered how Youtube keeps your watch history safe even when servers crash? Learn how to build a production-grade MongoDB replica set that never sleeps and keeps your data safe across three servers.

MongoDB
Database
High Availability
+7
Setting Up SonarQube the Right Way: A Production-Ready Guide with Docker, PostgreSQL & SSL

Setting Up SonarQube the Right Way: A Production-Ready Guide with Docker, PostgreSQL & SSL

Nov 25, 2025
12 min read

Skip the headaches and deployment nightmares. Learn how to set up SonarQube properly with Docker Compose, PostgreSQL, and SSL certificates following the best practices that actually matter in production.

SonarQube
Docker
DevOps
+8
This Is How I Took a 4-Minute Django Task Down to 8 Seconds (Using Threading)

This Is How I Took a 4-Minute Django Task Down to 8 Seconds (Using Threading)

Nov 18, 2025
13 min read

Discover how threading transformed our Django application's performance, reducing Excel exports from 4 minutes to 8 seconds and enabling non-blocking email delivery. A practical guide for developers tired of watching loading spinners.

Django
Python
Threading
+7
Docker to AWS ECR Deployment to a Running Container: A Developer's Battle with Authentication Errors and How I Finally Won

Docker to AWS ECR Deployment to a Running Container: A Developer's Battle with Authentication Errors and How I Finally Won

Aug 27, 2025
16 min read

Ever been handed an IP address, a PEM file, and told to 'just push your Docker image to ECR'? Join me on this rollercoaster journey of authentication errors, expired tokens, and the satisfying moment when everything finally works - including running the container in production.

Docker
AWS ECR
Container Deployment
+11
X.509 Certificates: From Telegraph to HTTPS-The Backbone of SSL/TLS & Internet Security

X.509 Certificates: From Telegraph to HTTPS-The Backbone of SSL/TLS & Internet Security

Aug 18, 2025
14 min read

Discover the fascinating journey from 1800s telegraph communication to modern digital certificates. Learn how X.509 became the backbone of internet security and why your browser shows that padlock icon.

X509
X.509 Certificates
SSL
+12
Complete Guide: Secure GitHub Actions & AWS Integration with OIDC

Complete Guide: Secure GitHub Actions & AWS Integration with OIDC

Jul 10, 2025
10 min read

Learn how to securely connect GitHub Actions to AWS without storing secrets, using OIDC for automatic temporary credential management and full administrator access.

AWS
GitHub
DevOps
+5
How to Build an Automated AWS Resource Monitor: Never Pay for Forgotten Resources Again

How to Build an Automated AWS Resource Monitor: Never Pay for Forgotten Resources Again

Jul 3, 2025
9 min read

Learn how to create an automated AWS resource monitoring system that sends hourly email notifications about running resources, helping you avoid unexpected cloud bills and optimize costs.

AWS
CloudComputing
DevOps
+4
Docker Best Practices for Production

Docker Best Practices for Production

Jan 26, 2025
3 min read

Essential Docker best practices to optimize your containers for production environments, including security, performance, and maintainability tips.

Docker
Best Practices
Production
+2