Google Cloud Setup Docker and Nginx & Cerbot for n8n

Step 1: Update the system

sudo apt update

Step 2: Install Docker

sudo apt install docker.io

Step 3: Start Docker service

sudo systemctl start docker

Step 4: Enable Docker service

sudo systemctl enable docker

Step 5: Run N8N Docker Container

sudo docker run -d --restart unless-stopped -it \
--name n8n \
-p 5678:5678 \
-e N8N_HOST="your-domain.com" \
-e WEBHOOK_TUNNEL_URL="https://your-domain.com/" \
-e WEBHOOK_URL="https://your-domain.com/" \
-v ~/.n8n:/root/.n8n \
n8nio/n8n

Step 6: Install Nginx

sudo apt install nginx

Step 7: Create an Nginx configuration file for N8N

sudo nano /etc/nginx/sites-available/n8n

Add the following content:

server {
    listen 80;
    server_name your-domain.com;

    location / {
        proxy_pass http://localhost:5678;
        proxy_http_version 1.1;
        chunked_transfer_encoding off;
        proxy_buffering off;
        proxy_cache off;

        # Headers for WebSocket support
        proxy_set_header Connection 'Upgrade';
        proxy_set_header Upgrade $http_upgrade;

        # Additional headers for forwarding client info
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
}

Save and exit using:

CTRL+O, ENTER, CTRL+X

Step 8: Enable the Nginx configuration

sudo ln -s /etc/nginx/sites-available/n8n /etc/nginx/sites-enabled/

Step 9: Test Nginx configuration

sudo nginx -t

Step 10: Restart Nginx service

sudo systemctl restart nginx

Step 11: Install Certbot for SSL Certificates

sudo apt install certbot python3-certbot-nginx

Step 12: Obtain SSL Certificate

sudo certbot --nginx -d your-domain.com

Step 14: Restart Nginx service

sudo systemctl restart nginx