n8n for Builders
n8n is an open-source workflow automation tool you can self-host on your own server, eliminating the per-execution costs of Zapier and Make. It has 350+ integrations, a code node for custom logic, and a webhook node that lets you build powerful automation pipelines. This course teaches you to build real-world automations from scratch.
What you'll learn
Course outline
Free — start now
n8n vs Zapier vs Make: the self-hosted advantage
What workflow automation is, why self-hosting changes everything, and where n8n fits
Running n8n with Docker
Get n8n running locally with a single Docker command, then configure it for production
Your first workflow: form submission to Slack notification
Build a working end-to-end workflow from scratch in under 10 minutes
Full course — $39 one-time
Triggers: how workflows start
Master all four ways to start an n8n workflow: schedule, webhook, email, and app triggers
Actions: connecting your apps
Use built-in nodes and the HTTP Request node to connect any app or API in your workflows
Expressions and the Code node
Reference previous node data with expressions, and write full JavaScript for complex logic
Error workflows and retry logic
Build production-grade workflows that recover from failures automatically
Webhook node: receiving events and responding
Turn n8n into a webhook receiver, event processor, and lightweight API endpoint
10 real automations you can build today
Proven workflow patterns for lead nurture, content pipelines, alerts, invoicing, and more
Get the full course
All 9 lessons. Self-host, connect, automate — without paying per task.
Written by the RadarTrek editorial team · Reviewed June 2026
About this course
n8n is an open-source workflow automation tool that you self-host on your own infrastructure, eliminating the per-execution pricing model that makes Zapier expensive at scale. A workflow that triggers 10,000 times a month costs nothing extra when n8n is running on a $5 VPS — the same workflow on Zapier would cost hundreds of dollars. With over 350 native integrations (HTTP Request node covers the rest), a visual canvas for building workflows without code, and a JavaScript Code node for custom logic when visual nodes are not enough, n8n sits in a powerful middle ground between no-code tools and custom scripts. It is increasingly popular with technical founders, developers who want to automate internal processes, and agencies building automation products for clients.
Self-hosting n8n takes about 10 minutes with Docker. Platforms like Railway, Render, and Coolify can deploy it with a few clicks. Once running, you can build workflows that automate lead qualification, content pipelines, CRM syncs, invoice processing, notification systems, and anything else that connects apps via APIs. This course starts with Docker setup, covers every trigger and action type, dives into expressions and the Code node for custom logic, and ends with 10 real automations you can copy and deploy immediately.
Frequently asked questions
What is n8n and how does it compare to Zapier?
n8n is an open-source workflow automation tool, conceptually similar to Zapier, but with key differences. First, you self-host n8n on your own server, so there are no per-task execution fees. Second, n8n is more developer-friendly — it has a Code node for custom JavaScript, expressions for transforming data between nodes, and the ability to build complex branching logic that Zapier's linear structure cannot handle. Third, n8n is open-source, meaning you can inspect and modify the source. Zapier's advantage is zero-setup managed hosting and a larger library of pre-built integrations.
Do I need coding experience to use n8n?
Not for most workflows. n8n is designed so that the majority of automations can be built visually without writing code — you connect trigger and action nodes, map fields, and activate the workflow. Coding becomes useful when you need the Code node for transformations that expressions cannot handle, or when building custom integrations with the HTTP Request node against APIs that do not have a native n8n node. This course covers the no-code visual layer first and introduces the Code node in a dedicated lesson.
How do I self-host n8n and what does it cost?
The fastest way is Docker: `docker run -p 5678:5678 n8nio/n8n`. For production, a docker-compose.yml with a PostgreSQL database for workflow storage is recommended. A $5–10 per month VPS from DigitalOcean, Hetzner, or Vultr is sufficient for most workloads. Railway, Render, and Coolify offer one-click n8n deployment with managed databases. n8n also offers a managed cloud version (n8n Cloud) with per-workflow pricing if you prefer not to manage infrastructure.
Can n8n replace Zapier and Make completely?
For technical users who are comfortable with Docker and self-hosting, n8n covers the vast majority of use cases that Zapier and Make handle — often with more flexibility due to the Code node and complex branching. The practical gaps are: n8n has fewer native integrations than Zapier (though the HTTP Request node fills most gaps), and some non-technical team members find the n8n canvas more complex than Zapier's simplified step-by-step interface. Many builders use n8n for their own automations while keeping Zapier for client-facing or team-facing workflows where operational simplicity matters more.
Is n8n suitable for business-critical workflows?
Yes, with appropriate setup. n8n includes error workflows (triggered when a node fails), retry-on-failure settings, and an execution history log for debugging. For high-criticality workflows, running n8n in queue mode with a worker process provides better reliability and concurrency than the default single-process mode. The main production consideration is that you are responsible for uptime, backups, and upgrades — which is a trade-off for the zero per-execution cost. n8n Cloud removes that burden for a managed SLA.