python app.py). While this works for testing, it is not suitable for production. It is single-threaded, lacks security, and will crash under heavy load.sudo apt update && sudo apt upgrade -ysudo apt install python3-pip python3-venv nginx -yapp.py) that serves sensor data from your ESP32 nodes. First, create a dedicated directory and a virtual environment:mkdir ~/iot-dashboard && cd ~/iot-dashboard
python3 -m venv venv
source venv/bin/activatepip install flask gunicornapp.py file for testing:from flask import Flask
app = Flask(__name__)
@app.route('/')
def home():
return "Radxa IoT Dashboard is Live!"
if __name__ == '__main__':
app.run()gunicorn --workers 3 --bind 127.0.0.1:8000 app:app--workers 3 spawns three worker processes. On a Radxa ZERO 3W (Quad-core), 3-4 workers are optimal. On a ROCK 5 (Octa-core), you can increase this number.sudo nano /etc/nginx/sites-available/iot-dashboardserver {
listen 80;
server_name your_radxa_ip_address;
location / {
proxy_pass http://127.0.0.1:8000;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
}sudo ln -s /etc/nginx/sites-available/iot-dashboard /etc/nginx/sites-enabled
sudo systemctl restart nginxbash
sudo nano /etc/systemd/system/iot-dashboard.serviceini
[Unit]Description=Gunicorn instance to serve IoT Dashboard
After=network.target
[Service]
User=radxa
Group=www-data
WorkingDirectory=/home/radxa/iot-dashboard
Environment="PATH=/home/radxa/iot-dashboard/venv/bin"
ExecStart=/home/radxa/iot-dashboard/venv/bin/gunicorn --workers 3 --bind unix:iot-dashboard.sock -m 007 app:app
[Install]
WantedBy=multi-user.targetsudo systemctl start iot-dashboard
sudo systemctl enable iot-dashboard======================================
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