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⚡ AI Lessons

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
2w ago
What Is Base64 Encoding (And How Is It Different from Encryption)?
If you’ve ever worked with APIs, Kubernetes Secrets, JWTs, or CI/CD pipelines, you’ve almost certainly encountered a long string like this: Continue reading on

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
3w ago
40 Backend Concepts Every Engineer Should Know Before Next System Design Interview
A visual, connected walkthrough of the full path from zero to architect. Continue reading on Medium »
Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Why Every Backend Developer Should Learn Nginx Before Going to Production
From Reverse Proxy and Load Balancing to SSL, Caching, and Performance Optimization — everything you need to understand before deploying a… Continue reading on

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
What Actually Happens Between Typing a URL and Seeing a Webpage
I hit a DNS caching issue at work this week — nothing dramatic enough to detail here, but it took longer to diagnose than it should have… Continue reading on Me
Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Les linters : garder son code propre automatiquement
PHP CS Fixer, PHP_CodeSniffer, PHPStan, Checkstyle, SpotBugs comprendre ce que sont les linters, pourquoi ils sont indispensables, et… Continue reading on Mediu

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Linux Networking Secrets Part 1: 10 iptables Tricks Most Engineers Don’t Know
“Anyone can write an iptables rule. The real skill is knowing why to write it, where to place it, and how it behaves under production… Continue reading on Mediu

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Nginx Explained: The Reverse Proxy Every Backend Developer Should Know
Your backend application isn’t the first thing users talk to. Before a request reaches your code, Nginx quietly handles security… Continue reading on Medium »

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
uv Killed My requirements.txt, pyenv, pipx, and poetry. In One Week
One Rust binary replaced five tools in our Python stack. Here’s the migration, the Docker rewrite, and the parts I’d still tell you to… Continue reading on Medi
Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
When Managed Platforms Stop Being Enough
For the last few years, building software has become dramatically easier. Continue reading on Medium »

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Webhooks vs. WebSockets: Choosing the Right Real-Time Architecture
In modern web development, “real-time” is no longer a luxury feature it’s an baseline user expectation. Users expect to see payment… Continue reading on Medium

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
How to create webhooks in Microsoft Teams today
A quick heads-up for anyone who hasn’t noticed yet. The old way of creating webhooks in Microsoft Teams is gone. If you’ve ever integrated… Continue reading on

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Boot the Latest Linux Kernel With a Real Ubuntu Rootfs in QEMU — One Script
Part two of the series: compile the newest mainline Linux kernel on Ubuntu 22.04 and boot it against a persistent Ubuntu root filesystem… Continue reading on Me

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Neon vs Supabase Pricing: What the Same App Costs From Launch to Scale
Pricing pages answer the question “what does a unit cost”. They are conspicuously silent on the question you actually have: “what will my… Continue reading on M
Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Git Merge Conflicts: When Git Can’t Decide Which Change to Keep
Imagine you and your friend are working on the same college assignment. Continue reading on Medium »

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Why Rails Fails After AWS Aurora Failovers (And How to Recover Safely)
When people talk about database failover, they usually focus entirely on the infrastructure layer: Continue reading on Medium »
Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
When Compliance Becomes an Architecture Problem, Not a Paperwork Problem
Most teams discover the hard way that building a payment system is not really a coding challenge. Continue reading on Medium »
Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
fzf: The Terminal tool that makes everything searchable
You don’t need to remember exact names. You just need to remember enough. Continue reading on Stackademic »

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Understanding MongoDB Cluster Architecture: Mongos, Mongoc, and How Data is Distributed (Explained…
MongoDB is one of the most popular NoSQL databases used by companies like Netflix, Uber, and Adobe to store massive amounts of data. As… Continue reading on Med

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
The ‘MessageMapContainer' crash is not always just a protobuf problem
The two-layer failure behind the MessageMapContainer crash, and how to fix it Continue reading on Medium »

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
A freelance designer needed a website. The interesting part was everything behind it.
Deploying a Next.js portfolio on AWS with Terraform, and the reasoning behind every decision, including the ones I’d make differently. Continue reading on Mediu

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Neon vs Supabase Free Tiers: We Benchmarked Both So You Don’t Have To
Pick any “Neon vs Supabase” thread on the internet and you will find the same spec-sheet ping pong: one side quotes storage limits, the… Continue reading on Med

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Your HttpClient Is Quietly Killing Production. You’ll Find Out at 2 A.M.
One using statement. 65,535 sockets. Zero warnings until the pager went off. Continue reading on Medium »

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
The Developer Who Can’t Deploy Is Half a Developer.
A backend learner’s honest take on why deployment can’t be ignored in the current job market. Continue reading on Medium »

Medium · DevOps
🔧 Backend Engineering
⚡ AI Lesson
1mo ago
Ubuntu 26.04 “Resolute Raccoon” — Everything You Need to Know.
So here we are. Another two years, another LTS. But honestly? Ubuntu 26.04 doesn’t feel like just another tick on the calendar. It feels… Continue reading on Me
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