Journey & Thoughts

From pastry to DevOps, lessons learned, mistakes made, and technical reflections.

An isometric aquarium whose water draws a data curve, connected to blocks representing a software architecture
6 min read

The App I Didn't Code

I designed an aquarium app without writing a line of its code. What it taught me about product, business model, and architecture.

Project AI Career
Scattered data passing through a structured frame, emerging as aligned blocks
5 min read

My AI Harness

People always ask what prompt I use. The real answer: it's not the prompt that matters, it's the frame I give the AI.

AI DevOps
A single key branching into several shared keys
4 min read

I Was the SPOF

During my internship, an incident made me realize I was a single point of failure. How documentation stopped me from being one.

DevOps Career
A tower of blocks collapsing after one piece is removed
4 min read

The Day I Took Down Production

During my internship, I took down an internal tool by changing something else. What the incident taught me about hidden dependencies and rollbacks.

DevOps Career
Working with AI without delegating your judgment
5 min read

Keeping the Controls When AI Codes

AI wrote part of my site. How I work with it without delegating my judgment: understand, decide, verify.

AI DevOps
Weekly Tech Radar: my automated tech watch
6 min read

Weekly Tech Radar: Automating My Tech Watch With AI, and Staying the Engineer

300 articles filtered into a 10-min read each week by an AI, with me keeping control. Making-of, and what the crash taught me.

Project DevOps AI
My Learning System: Obsidian + Claude
12 min read

My Learning System: Obsidian + Claude

A DevOps learning system built around a GitHub repo, Obsidian, and Claude. Concrete workflow, guidelines to avoid AI dependence.

DevOps Project
How I Landed My Internship at Alan
6 min read

How I Landed My Internship at Alan: Python Learned in 10 Days

Python learned in 10 days, 4-stage process, what I took from it after failing at Criteo.

Career
How I Failed My Criteo Interview
4 min read

How I Failed My Criteo Interview

Algo-only technical interview over video call. CV, preparation, format, honest take on a failed interview and what I learned.

Career
AWS Infrastructure Automation With Terraform & Ansible
7 min read

AWS Infrastructure Automation With Terraform & Ansible

Automated deployment on AWS Free Tier. Terraform, Ansible, Docker Compose, Nginx reverse proxy, hands-on project.

Project DevOps
My DevOps Roadmap
5 min read

My DevOps Roadmap: What I'm Learning, In What Order, and Why

Learning by layers, honest assessment, priorities and long-term vision.

Career DevOps
Glasck: First Launch of a Project Into Production
6 min read

Glasck: First Launch of a Project Into Production

Docker Compose, Traefik, Prometheus/Grafana monitoring, and lessons from a real service with real users.

Project DevOps
How I Passed the 42 Piscine and Core Curriculum
4 min read

How I Passed the 42 Piscine and Core Curriculum

The piscine, the core curriculum, the key projects: a concrete look back at my journey through 42, what helped me and what I took away from it.

Career
From Pastry to Development
4 min read

From Pastry to Development, Journey, Doubts and a Career Switch

10 years in pastry, a career switch into tech through 42, and a path toward DevOps. Journey, doubts and determination.

Career