Files needed to host a flask application on a linux VPS.
Run the following commands on the VPS.
sudo apt-get install python3
sudo apt-get install python3-pip
pip3 install flaskInstall nginx and create a new configuration file.
sudo apt install nginx
sudo nano /etc/nginx/sites-enabled/<directory-name-of-flask-app>The contents of the confiugration file should be as follows:
server {
listen 80;
server_name <public-server-ip>;
location / {
proxy_pass http://127.0.0.1:8000;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
}Unlink the default config file and reload nginx to use the newly created config file.
sudo unlink /etc/nginx/sites-enabled/default
sudo nginx -s reloadsudo apt-get install gunicornRun the flask web app with gunicorn. The name of your flask instance must be app.
gunicorn -w 3 flask_app:appNow navigate to your servers public ip from a web browser! :)
This information was summarized from Linode's Guide
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