Deploying a Production-Ready Python Web Service on Radxa SBCs

sudo apt update && sudo apt upgrade -y

sudo apt install python3-pip python3-venv nginx -y

mkdir ~/iot-dashboard && cd ~/iot-dashboard
python3 -m venv venv
source venv/bin/activate

pip install flask gunicorn

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

sudo nano /etc/nginx/sites-available/iot-dashboard

server {
    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 nginx

sudo nano /etc/systemd/system/iot-dashboard.service

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.target

sudo systemctl start iot-dashboard
sudo systemctl enable iot-dashboard