Jesús Pérez

Cloud Architect

38 years working with computers, 12 years focused on containers and infrastructure automation.
I'm a Rust Developer and Cloud Architect, building Provisioning, an open-source infrastructure automation platform. Convinced that type safety and Rust's design principles transform how we approach infrastructure code, among many other things.
Also responsible for the Rust-laspalmas.dev community.

Jesús Pérez
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This edition

This edition

From Scripts to Contracts: what Rust's type system taught me about infrastructure composition
November 03 2026 - 12:15 (45 min )

I spent years automating infrastructure with scripts that worked until they didn't. A missing dependency, a half-applied deploy, a config that looked right but wasn't — the alert always came at 3am. The tools I used typed individual resources but not the relationships between them. The dependency graph lived in my head.

So I rebuilt it around one idea: infrastructure deserves the same type discipline as application code. Not just resource validation — typed contracts over the entire composition. Every deployment facet — networking, secrets, orchestration, monitoring, a control center, a cryptographic vault — is an independent module that composes through contracts, not glue scripts. The deploy is a typed DAG with parallel resolution, automatic rollback, and state recovery. Event-driven coordination keeps services in sync. Agents and RAG operate over the same typed structure. If it doesn't typecheck, it doesn't touch a server.


LEVEL: Intermediate

From Scripts to Contracts: what Rust's type system taught me about infrastructure composition

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