DEV'S DAILY DIGEST

Development

How I Built a Production-Ready CI/CD Pipeline for a Monorepo-Based Microservices System with Jenkins, Docker Compose, and Traefik

This tutorial is a complete, real-world guide to building a production-ready CI/CD pipeline using Jenkins, Docker Compose, and Traefik on a single Linux...

Md Tarikul Islam - freecodecamp

How to Fix a Failing GitHub PR: Debugging CI, Lint Errors, and Build Errors Step by Step

While many guides explain how to set up Continuous Integration pipelines, not very many show you how to debug them when things go wrong across multiple...

qacheampong - freecodecamp

UX

The UX Designer’s Nightmare: When “Production-Ready” Becomes A Design Deliverable

In a rush to embrace AI, the industry is redefining what it means to be a UX designer, blurring the line between design and engineering. Carrie Webster explores what’s gained,...

Carrie Webster - smashingmagazine

Other

How to Trace Multi-Agent AI Swarms with Jaeger v2

When you run a single AI agent, debugging is straightforward. You read the log, you see what happened. When you run five agents in a swarm, each spawning its...

Christopher Galliart - freecodecamp

How I Tested Malaysia's Open Data Portals with Plain English

Most end-to-end test suites drive a real browser and click through an app like a user. They check whether a page renders and whether elements appear. But they...

Tech With RJ - freecodecamp

The Hidden Tax of Infrastructure: Why Your Team Shouldn’t Be Running It Anymore

Most engineering teams don't set out to manage infrastructure. They start with a product idea, a customer need, or a business problem. Infrastructure enters...

Manish Shivanandhan - freecodecamp

From Metrics to Meaning: How PaaS Helps Developers Understand Production

Modern production systems generate more data than most developers can realistically process. Every request emits logs. Every service exports metrics. Every...

Manish Shivanandhan - freecodecamp

From Symptoms to Root Cause: How to Use the 5 Whys Technique

Most teams don't struggle because they can't fix problems. They struggle because they fix the wrong thing. An API fails in production. You restart the...

Ashutosh Krishna - freecodecamp

Product Experimentation for AI Rollouts: Why A/B Testing Breaks and How Difference-in-Differences in Python Fixes It

Your team shipped an LLM-based summaries feature to wave 1 workspaces at week 20 and now the post-launch doc is due. You need a causal effect number, a...

Rudrendu Paul - freecodecamp

How to Create a GPU-Optimized Machine Image with HashiCorp Packer on GCP

Every time you spin up GPU infrastructure, you do the same thing: install CUDA drivers, DCGM, apply OS‑level GPU tuning, and fight dependency issues. Same old...

Rasheedat Atinuke Jamiu - freecodecamp

3D Web Development with Blender and Three.js

Take your creative web development to the next level by building an interactive 3D cozy cafe portfolio from scratch using Blender and Three.js. We just posted...

Beau Carnes - freecodecamp