Infrastructure as Code with Terraform
Terraform state management, modules, workspaces, remote backends, and production best practices for infrastructure as code at scale.
Read moreBlog
Thoughts on software engineering, systems programming, and the craft of building things.
Docker Multi-Stage Builds for Smaller Images
Reduce Docker image sizes by 10x with multi-stage builds — builder patterns, Alpine vs distroless, layer caching, and production optimization techniques.
Read moreCI/CD Pipelines with GitHub Actions
Build production CI/CD pipelines with GitHub Actions — workflow syntax, matrix builds, caching strategies, and deployment patterns.
Read moreMessage Queues: When and How to Use Them
A practical comparison of synchronous vs asynchronous processing, RabbitMQ vs Kafka, pub/sub patterns, and when each queue architecture makes sense.
Read moreBuilding Production-Ready REST APIs with Express.js
Express.js middleware patterns, error handling, input validation, rate limiting, and project structure for APIs that scale in production.
Read moreDatabase Indexing Strategies That Actually Work
A practical guide to B-tree vs hash indexes, composite indexes, covering indexes, and when each strategy pays off — with real query examples.
Read moreWriting Your First Linux Kernel Module
A hands-on guide to writing, compiling, loading, and debugging your first Linux kernel module — with a procfs demonstration.
Read moreTCP/IP Deep Dive for Engineers
TCP/IP fundamentals every engineer must know — from the three-way handshake and congestion control to MTU tuning and tcpdump analysis.
Read moreUnderstanding Linux Process Scheduling
A deep dive into the Linux Completely Fair Scheduler — how it works, how to tune it, and how CPU shares, nice values, and cgroups interact.
Read moreTypeScript Generics in Practice
Real-world generic patterns beyond the documentation — conditional types, infer, mapped types, and generic constraints that solve actual engineering problems.
Read moreTroubleshooting MariaDB and MySQL Performance Problems
A practical guide to diagnosing slow queries, deadlocks, and resource contention in MariaDB/MySQL — using EXPLAIN, slow query logs, performance_schema, and system metrics.
Read moreDebugging Docker Container Networking
From "connection refused" to "no route to host" — a methodical approach to debugging Docker networking issues across bridge networks, overlay networks, and compose stacks.
Read moreHello, World! — A Developer's First Lines of Code
Every developer remembers their first program. Let's explore the history and significance of this time-honored tradition.
Read moreDiagnosing SSL/TLS Handshake Failures
A systematic guide to debugging TLS handshake failures using openssl s_client, key exchange analysis, certificate chain validation, and cipher mismatch detection.
Read moreInvestigating High CPU Usage in Node.js Applications
A practical guide to profiling Node.js CPU issues in production — using the built-in profiler, flamegraphs, async hooks, and Linux perf tools.
Read moreUnderstanding Async/Await in JavaScript
A practical guide to mastering asynchronous JavaScript with async/await, from basics to error handling patterns.
Read moreDebugging DNS Resolution Issues on Linux
A systematic approach to diagnosing DNS failures on Linux — from /etc/resolv.conf and systemd-resolved to nsswitch.conf and packet-level inspection with tcpdump.
Read more