Skip to main content

Command Palette

Search for a command to run...

Self-Hosting n8n on Microsoft Azure: A Practical Journey from Zero to Production

Published
5 min read
Self-Hosting n8n on Microsoft Azure: A Practical Journey from Zero to Production
B
Tech, Science, Phylosophy,

For the last three months, I’ve been running self-hosted n8n, experimenting, breaking things, fixing them, and slowly understanding what “production-ready” actually means in the real world.

Out of all the cloud options I explored, Microsoft Azure stood out as the most reliable and flexible choice for my use case. This was my first real hands-on experience with cloud computing, but the curiosity of an over-caffeinated engineering student wouldn’t let me pass the opportunity.

This blog documents the entire process — from spinning up a VM to accessing n8n securely over HTTPS and running real production workflows.


Why Self-Host n8n?

Before diving into the setup, it’s worth answering why self-hosting makes sense:

  • Full control over data and credentials

  • No workflow execution limits

  • Freedom to install community nodes

  • Better integration with custom services and APIs

  • Lower cost at scale compared to hosted plans

Self-hosting does introduce responsibility — security, updates, backups — but that’s part of the learning curve.


Choosing Microsoft Azure

I evaluated several cloud providers, but Azure stood out because:

  • Reliable VM infrastructure

  • Flexible pricing

  • Easy SSH access

  • Strong networking and security features

  • Smooth experience even for beginners

For this setup, I used a Linux Virtual Machine hosted directly from the Azure Portal.


Step 1: Creating the Virtual Machine

From the Azure Portal:

  • VM OS: Ubuntu (LTS version recommended)

  • Architecture: x64

  • Authentication: SSH key (recommended over passwords)

During VM creation:

  • I generated an SSH key pair

  • Azure automatically configured the VM’s networking

  • The VM was assigned a public IP address

Once the VM was running, everything else was done via the terminal.


Step 2: Connecting to the VM via SSH

Using the SSH key:

ssh -i your_key.pem username@your_vm_ip

Once logged in, the first thing to do is update the system.


Step 3: Updating the Server

Keeping the machine up to date is critical for security and stability.

sudo apt update && sudo apt upgrade -y

This ensures all system packages are current before installing anything else.


Step 4: Installing Docker

n8n runs best inside containers, and Docker makes deployment, upgrades, and maintenance significantly easier.

Installed Docker using the official method:

sudo apt install docker.io -y
sudo systemctl start docker
sudo systemctl enable docker

To avoid running Docker with sudo every time:

sudo usermod -aG docker $USER

Then log out and back in.


Step 5: Installing Docker Compose

Docker Compose is used to define and run multi-container setups.

sudo apt install docker-compose -y

This allows us to manage n8n, reverse proxy, and update services from a single file.


Step 6: Setting Up a Domain (DuckDNS)

To make n8n accessible via a friendly domain name, I used DuckDNS, a free dynamic DNS provider.

Steps:

  • Created a free DuckDNS subdomain

  • Pointed it to the VM’s public IP

  • Configured automatic updates so the domain always resolves correctly

This step is essential for HTTPS and long-term stability.


Step 7: Docker Compose Configuration

The heart of the setup is the docker-compose.yml file.

This file defines:

  • n8n service

  • Reverse proxy (Caddy)

  • Watchtower for automatic updates

Using Docker Compose keeps everything declarative, readable, and easy to maintain.


Step 8: Securing n8n with HTTPS (Caddy Reverse Proxy)

For production use, HTTPS is non-negotiable.

I used Caddy as a reverse proxy because:

  • Automatic HTTPS (Let’s Encrypt)

  • Minimal configuration

  • Built-in security best practices

Caddy sits in front of n8n and:


Step 9: Pulling the Latest n8n Image

The official image was pulled directly from n8n:

image: n8nio/n8n:latest

Using Docker ensures:

  • Clean upgrades

  • Easy rollbacks

  • Environment consistency


Step 10: Environment Variables (Critical for Production)

This is the most important part of a production n8n setup.

Environment variables control:

  • Encryption keys

  • Base URL

  • Webhook URLs

  • Authentication

  • Execution mode

  • Community node support

Key considerations:

  • Production vs development mode

  • Enabling community nodes

  • Setting correct domain URLs to avoid webhook issues

  • Securing credentials with a proper encryption key

Misconfiguring this step can lead to:

  • Broken webhooks

  • Invalid OAuth callbacks

  • Credential loss on restart


Step 11: Automatic Updates with Watchtower

To keep n8n up to date automatically, I added Watchtower.

Watchtower:

  • Checks for new Docker images daily

  • Automatically updates containers

  • Reduces maintenance overhead

This ensures I’m always running the latest n8n version without manual intervention.


Final Result: A Production-Ready n8n Instance

After completing the setup:

  • n8n was accessible via a secure HTTPS domain

  • SSL certificates were handled automatically

  • The system was containerized and reproducible

  • Updates were automated

  • The instance was ready for real workflows

From there, I started building production-grade workflows, integrating APIs, Telegram bots, webhooks, and external services.


Key Lessons Learned

  • Cloud computing is intimidating — until you actually do it

  • Docker simplifies everything once you understand it

  • Environment variables matter more than most tutorials admit

  • HTTPS and domain setup should be done early

  • Self-hosting teaches you far more than managed platforms


Final Thoughts

Self-hosting n8n on Microsoft Azure was one of the most educational technical projects I’ve worked on. It forced me to understand cloud infrastructure, security, containers, and automation — all while building something genuinely useful.

If you’re serious about automation, self-hosting n8n is absolutely worth the effort.

More from this blog

Tech and Stuffs

6 posts

Just curious