[ARCHITECTURE]

Self-hosted n8n, PostgreSQL, Docker/Colima, and release evidence

Accurate architecture for the verified portfolio. Persistent project data was controlled under external-disk-first storage; no absolute zero internal OS write claim is made.

macOS host

Apple Silicon local environment for development, browser verification, and tooling.

External storage

Primary project and runtime persistence under controlled external storage.

Colima and Docker

Container runtime for local n8n and PostgreSQL services.

n8n and PostgreSQL

Workflow execution and durable persistence proof.

GitHub Release

Sanitized workflow exports, screenshots, schemas, sample data, and validation scripts.

Vercel presentation

Static-first portfolio layer over verified public evidence.