In the previous six episodes, I set up photo backup (Immich), an AI assistant (OpenClaw), local AI (Ollama), and a blog (WordPress) on my home server. Each service runs great on its own. But managing them all by hand? Honestly, it gets old fast.
“I just want to set it up once and have it run itself.”
That’s why I installed n8n. After setting up a few workflows, my server now works on its own. All I do is check Telegram notifications.
What is n8n? One-Line Summary: Free Zapier
n8n (pronounced “n-eight-n”) is a visual automation tool. If you’ve used Zapier or Make (formerly Integromat), it’s exactly that. Drag blocks onto a canvas, connect them with lines, and your automation is done. Code? Not a single line needed.
The one difference: it runs on your own server. That means it’s free, there are no execution limits, and your data never leaves your machine.
| Zapier | n8n (Self-hosted) | |
|---|---|---|
| Price | From $19.99/month | Free |
| Execution limit | 100-750/month | Unlimited |
| Your data | Stored on Zapier’s servers | Stays on your server |
| Integrations | 7,000+ | 400+ (all major services covered) |
| UI | Very easy | Easy (slight learning curve) |
If you already have a home server, there’s no reason not to use n8n. Especially if you’ve ever hit Zapier’s free tier limit of 100 executions per month.
Installing n8n: One Docker Compose File
Remember how we set up Docker in Episode 1? We just add n8n on top of that.
services:
n8n:
image: n8nio/n8n:latest
ports:
- "5678:5678"
volumes:
- ./data:/home/node/.n8n
environment:
- N8N_BASIC_AUTH_ACTIVE=true
- N8N_BASIC_AUTH_USER=admin
- N8N_BASIC_AUTH_PASSWORD=yourpassword
restart: unless-stoppedTell Claude “install n8n” and it creates this file and runs docker compose up -d for you. Navigate to http://yourServerIP:5678 and you’ll see this:
At first glance it might look intimidating. But give it five minutes. You drag nodes (blocks) from the left panel onto the canvas and connect them with lines. It’s like building with LEGO.
Real Workflow #1 — Auto-Sync Dev Logs to Notion
I’m building an app called PRSM. (A non-coder building an app? Yep, I just tell AI what to do. That’s a story for another post.) Every day I write development progress in a file on GitHub. I wanted those logs copied to Notion automatically.
Doing it manually:
- Open GitHub
- Find today’s log file
- Copy the content
- Open Notion
- Paste into the Day Log page
- Add a date tag
Five minutes a day. Doesn’t sound like much, but that’s two and a half hours a month. And honestly, I forget to do it most days.
After automating with n8n:
Every night at 11 PM → Read file from GitHub → Auto-add to Notion Day Log
Three nodes. Set it up once, and it runs every night by itself. What I have to do: nothing. When I open Notion in the morning, last night’s log is neatly organized and waiting for me.
Real Workflow #2 — Auto-Monitor Blog Google Indexing
No matter how good your blog post is, if Google hasn’t indexed it, nobody can find it through search. This is especially brutal for new blogs — it’s common for posts to go unindexed for days after publishing.
Checking manually? You’d have to log into Google Search Console and inspect each URL one by one. Ten posts means ten checks.
n8n handles it:
Every 12 hours → Get list of published post URLs → Check Google indexing status → Unindexed post found? → Send Telegram alert
“Hey boss, episodes 3 and 5 still aren’t indexed on Google!” — I get alerts like this on Telegram. Then I just click “Request Indexing” in Search Console. Done.
Real Workflow #3 — Instant Alert When Server Goes Down
When you’re running multiple services on a home server, one of them can quietly die without you noticing. Once, Immich crashed after an update and I didn’t realize for over a day. That was a full day of photos not being backed up.
So I built this workflow:
Periodic check → Ping Immich → Ping OpenClaw → Ping WordPress → Any service down? → Send Telegram alert
Now when a service goes down, I get notified within minutes. After setting up this workflow, Immich actually crashed again. This time I caught it in 10 minutes and fixed it immediately. Because n8n is watching 24/7.
Real Workflow #4 — Morning Briefing Data Prep
Remember the morning briefing from Episode 5? My AI assistant sends me weather, news, gold prices, and my schedule via Telegram every morning at 7 AM.
To create that briefing, the AI needs data. Calling weather APIs, fetching exchange rates, checking the calendar — n8n handles all this data collection automatically at 6:50 AM every morning. At 7 AM, the AI picks up the data, summarizes it, and shoots it to Telegram.
My morning routine: Wake up, open Telegram, check today’s weather and news. That’s it.
Before and After Automation
| Task | Before | After |
|---|---|---|
| Dev log Notion sync | 5 min/day, often forgot | Automatic (0 min) |
| Blog index check | Manual search, too lazy so never did it | Auto every 12h, just check alerts |
| Server status check | Only knew when something broke | Instant alert on failure |
| Morning briefing | Manually search news | Just check Telegram |
Saving time is great, but the real benefit is peace of mind. “Is the server okay?”, “Did that post get indexed?”, “Did I sync the logs?” — I don’t worry about any of this anymore. n8n is watching over everything.
n8n Self-Hosting Cost Breakdown
Let’s crunch the numbers.
| Item | Using Zapier | n8n Self-hosted |
|---|---|---|
| Monthly subscription | $19.99 | $0 |
| Annual cost | ~$240 | $0 |
| Extra electricity | None | Negligible (server already runs 24/7) |
n8n is lightweight and barely uses any server resources. Compared to Immich or Ollama, it’s practically invisible. Since the server is already running around the clock, the additional electricity cost is effectively zero.
Tips for Beginners
It’s all great, but let me be honest about a few things to watch out for.
- Name your workflows clearly. If you leave them as “My Workflow 1” and “New Workflow,” you won’t know what’s what once you have more than ten. Use specific names like “PRSM to Notion Sync” or “Server Health Check.”
- Always add error notification nodes. When an API is temporarily down or a service changes, your workflow will fail silently. Connect a Telegram notification node at the end to catch errors — you’ll sleep better at night.
- Block external access. n8n stores sensitive information like Notion tokens and GitHub tokens. Make sure to block external access with a firewall. I locked everything down with iptables back in Episode 1.
What’s Next
Now that the server runs itself with automation, it’s time to build features that are directly useful for real work.
In the next episode:
- Auto-transcribe phone calls — hang up and the text is ready
- AI-generated meeting notes — Google Meet and Zoom meetings summarized by AI
- Whisper — OpenAI’s speech recognition AI, running free on your own server
- How a single phone call becomes a work record in a manufacturing environment
A non-coder who built an AI assistant, now building an AI transcriber. Stay tuned.
This post was written by AI (Claude Code) and reviewed by a code-illiterate human.
