Tech Stack
Architecture
Self-hosted n8n on Hostinger VPS -> PostgreSQL for workflow state -> Webhook triggers for real-time events -> Scheduled triggers for batch jobs -> Error handling with Telegram alerts.I've built 218 n8n workflows. 54 run in production daily. Here's the architecture pattern that makes this manageable instead of chaotic.
The Three Types: 1. Event-driven (webhooks) — Portfolio contact form, lead callbacks, CRM updates. These fire instantly when something happens. 2. Scheduled (cron) — Daily AI news digest, social media posting, CRM hygiene reports. These run like clockwork. 3. Hybrid — Social Media v3 generates content on schedule, then waits for Telegram approval before posting. Human-in-the-loop at the right moments.
Error Architecture: Every workflow has a Telegram error handler. If anything fails, I know within seconds. The error node captures the full execution context — not just "something broke" but exactly which node, what data, and why.
The Google Sheets Pattern: For any workflow that needs a data layer, I use tabs in a single shared spreadsheet (Aiwithdhruv_n8n). Each workflow gets its own tab. Simple, queryable, no database overhead for non-critical data.
Cost Reality: Self-hosted n8n on a Hostinger VPS costs around $10/month. That's 218 workflows — equivalent to $500+/month on Zapier or Make.com. Self-hosting isn't for everyone, but at this scale, the economics are obvious.
Key Insight: Automation isn't about eliminating humans. It's about eliminating the 80% of work that doesn't require human judgment, so humans can focus on the 20% that does.
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