SAM DUMONT

Freelance Cloud & AI Platform Engineer | ex-AWS
Data platforms · Garmin apps · Sensor firmware · Remote-first

Laeken, Belgium

// BLOG

backup bot-detection claude code claude-code e-invoicing gickup gitea github go kubernetes legacy-software nginx open-source openerp peppol python reverse-engineering security self-hosting skills telemetry terraform voice writing

Backing up GitHub repos properly: git, metadata, and a browsable mirror

A four-tool setup on Kubernetes that backs up all your GitHub repos to NFS bare clones, exports issues/PRs/labels as JSON, and runs a self-hosted Gitea mirror with full metadata. With config examples, API gotchas, the Gitea mirror bug that cost me 3 hours, and why there's no clean incremental metadata sync.

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github backup gitea kubernetes self-hosting gickup terraform claude code

Building a custom voice skill for Claude Code

How to extract your writing voice from a corpus of your own text and turn it into a Claude Code skill, using a 3-pass process that produces rules you'd never think to write yourself.

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claude-code writing voice open-source skills

Using AI to poison AI

How I used Claude Code to build a five-layer defense system that serves a fake CV to AI crawlers, including the part where Claude refused to help.

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claude-code nginx bot-detection security

Reverse-engineering Race-Keeper's .rkd binary format in one afternoon

How I decoded Race-Keeper .rkd telemetry files with Claude Code: GPS, accelerometer, and gyroscope data from a track day in supercars.

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reverse-engineering claude-code python go telemetry

Adding PEPPOL e-invoicing to a 13-year-old ERP with Claude Code

How I built a full PEPPOL integration for OpenERP 7.0 in 2-3 weeks with Claude: provider abstraction, Belgian tax edge cases, and switching API providers in 4 days.

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claude-code peppol openerp legacy-software python e-invoicing