SaaS Architecture Guide

Generate system diagrams, compare databases, spot security gaps with AI assistance.

Full PWA architecture with Vite + Preact + Hono + Radicale on a $50/month server.

Get a complete architecture blueprint and phased build roadmap.

Open-source infrastructure-as-code framework for managing multi-server Docker-based services with automated deployment, monitoring, and backups. Self-host your own cloud with Traefik, Immich, Jellyfin, Vaultwarden, Home Assistant, and 20+ more services.

Open-source, self-hostable finance tracking for individuals, families, and small businesses. Features double-entry accounting, multi-currency support, real-time collaboration, and PWA capabilities.

DIY ESP32-based air quality monitoring system measuring PM1.0, PM2.5, PM10 particles, CO2, temperature, and humidity. Integrates with Home Assistant for smart home automation and real-time alerts.

Self-hosted task manager that talks to any CalDAV server (Radicale, Nextcloud, Baikal). Web app + PWA, no vendor lock-in, your data stays on your server. Built because Tasks.org has no web UI.

Native Deno Model Context Protocol server for CalDAV. Events + tasks, zero npm dependencies, single binary. Works with OpenCode, Claude Desktop, Cursor, and Open WebUI.

From paper chaos to automated procurement — built the platform that digitizes restaurant invoice processing, automates supplier ordering, and tracks ingredient price fluctuations in real-time. The founder (a serial restaurateur) was drowning in manual paperwork across 5 locations. I architected an Angular + Node.js stack with Firebase real-time sync, OCR-based invoice scanning, and ML-driven price trend predictions. What started as a single-restaurant tool grew into a multi-country operation.

Full SaaS MVP from idea to live deployment in 21 days.

Run your own CI/CD on a $10 VPS. Docker Compose setup, GitHub integration.

Full stack architecture: Traefik, monitoring, backup strategy.

Exact architecture, cost breakdown, and patterns to slash infra costs by 90%.

Infrastructure-as-code for 20+ Docker services with Traefik and monitoring.

Architecture for MCP servers, working CalDAV example, lessons from 4 production servers.

Production-grade LLM pipelines, RAG systems, and autonomous subagents.

Connect your AI to your CRM, database, email, and internal APIs.

Or why so many developers abandon their attempts to release a product

My homelab runs 20+ services on a single $50/month Hetzner server. Here is the exact architecture, cost breakdown, and why your SaaS can use the same patterns to slash infrastructure costs by 90%.