ssh root@IP_Address -p 22

sudo apt update

sudo adduser rabbi

sudo adduser rabbi sudo

cd /home/rabbi/foyezrabbi

sudo apt install nginx

sudo nano /etc/nginx/sites-enabled/flask_app

server {
    listen 80;
    server_name foyezrabbi.com;

    location / {
        proxy_pass http://127.0.0.1:5000;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

sudo unlink /etc/nginx/sites-enabled/default

sudo nginx -t

sudo systemctl restart nginx

sudo nginx -s reload

sudo apt install python3

python3 -m venv venv

source venv/bin/activate

pip install -r requirements.txt

sudo apt install gunicorn3

sudo gunicorn3 --workers=3 run:app

sudo gunicorn3 --bind 0.0.0.0:8000 --workers=3 run:app

pkill gunicorn3 #to kill all gunicorn3

sudo fuser -k 8000/tcp  #to kill the port

sudo ufw allow 8000

nohup /path/to/test.py &

ps ax | grep test.py

sudo killall {processName = python}