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Learn how to self-Host Your Own Automation Platform with n8n and Docker

Here are the commands featured in my video

🦹🏻 LOGGING IN AS A SUPER USER:
Login as Super User
sudo su

Linux version:
lsb_release -a

Update and upgrade packages:
apt update & upgrade -y



🌟 PREREQUISITES
Installing Docker and Docker Compose Prerequisites

🐋 Install Docker Engine:
Install required packages for Docker
apt-get install -y ca-certificates curl gnupg

Add Docker's official GPG key
install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubu... | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
chmod a+r /etc/apt/keyrings/docker.gpg

Set up the repository (adds Docker's official package repository to your Ubuntu/Debian system's APT sources list)
echo \
"deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
"$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
sudo tee /etc/apt/sources.list.d/docker.list ＞ /dev/null

Install Docker Engine
apt-get update # Update your package list in your OS
apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin

Verify installation
docker --version
docker run hello-world
docker image ls
docker container ls
docker container ls -a
docker container prune
docker container ls -a


🐋 Docker Compose (recommended):
Download the current stable release
curl -L "https://github.com/docker/compose/rel... -s)-$(uname -m)" -o /usr/local/bin/docker-compose

Apply executable permissions (makes the Docker Compose binary executable)
chmod +x /usr/local/bin/docker-compose

Verify installation
docker-compose --version


🐋 Post-installation steps (optional but recommended)
Add your user to the docker group to avoid using sudo (these commands configure your Linux user account to run Docker commands without needing sudo each time)
usermod -aG docker $USER
newgrp docker # Refresh group membership


🐋🧪 Testing Docker and Docker Compose 🧪
docker --version
Should show something like: Docker version 24.0.7, build afdd53b

docker-compose --version
Should show something like: Docker Compose version v2.23.0





🌟 Basic n8n Docker Container

⛑️ Pull the n8n Docker image
docker pull n8nio/n8n
docker image ls


⛑️ Pre-create directory with correct permissions
Create the directory
mkdir -p ~/.n8n

Set correct ownership (UID 1000 = node user inside container)
chown -R 1000:1000 ~/.n8n

Verify permissions
ls -ld ~/.n8n # Should show drwxr-xr-x with owner UID 1000


⛑️ Run n8n container
docker run -dit --name n8n -p 5678:5678 -v ~/.n8n:/home/node/.n8n n8nio/n8n

Docker container log file for n8n
docker logs n8n

#Testng n8n using cURL command
curl http://localhost:5678


⛑️✅ Using Docker Compose (Recommended)
Create a compose.yaml file
nano compose.yaml

Paste these into the "compose.yaml" file
version: '3.8'

services:
n8n:
image: n8nio/n8n
container_name: n8n
restart: unless-stopped # Similar to Restart=on-failure but more Docker-native
ports:
"5678:5678"
volumes:
n8n_data:/home/node/.n8n # Equivalent to N8N_USER_FOLDER
environment:
N8N_HOST=localhost
N8N_PORT=5678 # Port number
N8N_RUNNERS_ENABLED=true
N8N_ENFORCE_SETTINGS_FILE_PERMISSIONS=true
N8N_SECURE_COOKIE=false # Disable secure cookies for local setup
Uncomment to skip setup screen (after initial config):
- N8N_SKIP_SETUP=true
# Uncomment for basic auth:
- N8N_BASIC_AUTH_ACTIVE=true
- N8N_BASIC_AUTH_USER=admin
- N8N_BASIC_AUTH_PASSWORD=yourpassword
# Uncomment for HTTPS (uncomment and provide certs):
- N8N_PROTOCOL=https
- N8N_SSL_CERT=/certs/fullchain.pem
- N8N_SSL_KEY=/certs/privkey.pem
# Uncomment for certificate volume mapping
volumes:
- ./certs:/certs:ro
user: "1000:1000" # Runs as non-root (UID/GID 1000 for node user)
networks:
n8n_network

volumes:
n8n_data:

networks:
n8n_network:




Start in detached mode
docker compose up -d
docker container ls -a

View logs
docker compose logs -f



🚼CHANGE PORT NUMBER:
Edit the service file:
nano compose.yaml

Add this line in the compose.yaml file.
N8N_PORT=8080
... and edit this line.
ports:
"8080:5678"


Start in detached mode
docker compose down
docker compose up -d

View logs
docker compose logs -f



🧪TESTING
#Accessing n8n using web browser
http://192.168.44.217:5678

#Testng n8n using cURL command
curl http://localhost:5678



👍🏻 Best Practice:
Always run apt-get update.
After adding new repositories
Before installing new packages
Periodically to keep your system updated


#n8n #ai #automation #linux