How to Deploy a Flask App to a Linux Server

This video will show you how to deploy your flask app to a headless linux server that is running ubuntu. We will be using apache and wsgi to do so.

Thanks to Linode for sponsoring this video! Deploy your linux server by clicking the link or using the promo code TWT19 for $20 free credit!
https://linode.com/techwithtim

Playlist: https://www.youtube.com/watch?v=mqhxxeeTbu0&list=PLzMcBGfZo4-n4vJJybUVV3Un_NFS5EOgX

Download Links:
https://www.putty.org/
https://winscp.net/eng/download.php

Credits:
https://www.digitalocean.com/community/tutorials/how-to-deploy-a-flask-application-on-an-ubuntu-vps

**Procedure (refer to video for missing details)**

Step 1: Setup a server on linode

Step 2: Download Putty and SSH in

Step 3: Download and Install Apache
- sudo apt update
- sudo apt install apache2
- apache2 -version

Step 4: Configure Firewall
- sudo ufw app list
- sudo ufw allow ‘Apache’

Step 5: Configure apache
- sudo systemctl status apache 2

Step 6: Install and enable mod_wsgi
- sudo apt-get install libapache2-mod-wsgi python-dev

Step 7: Creating flask app
- cd /var/www
- sudo mkdir webApp
- cd webApp

Step 8: Install flask
- sudo apt-get install python-pip
- sudo pip install Flask
- sudo pip install flask_sqlalchemy

Step 9: Use winSCP to transfer python files to server

Step 10: configure and enable virtual host
- sudo nano /etc/apache2/sites-available/webApp.conf

CLICK TO DOWNLOAD THE CODE TO PUT IN webApp.conf
https://techwithtim.net/wp-content/uploads/2019/11/code-to-place-in-.conf-file.txt

- sudo a2ensite webApp
- systemctl reload apache2

Step 11: Create .wsgi file
- sudo nano webapp.wsgi
Place the below code in the wsgi file

#!/usr/bin/python
import sys
import logging
logging.basicConfig(stream=sys.stderr)
sys.path.insert(0,"/var/www/webApp/")

from webApp import app as application
application.secret_key = 'Add your secret key'

Step 12: Restart apache
- sudo service apache2 restart

Step 13: Visit the ip address of your server in the browser to access your website!

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Tags:
- Tech With Tim
- How to deploy a flask app to linux
- Deploy flask app
- Flask App Deploy
- Deploy flask app to ubuntu server

#Python #Flask #Linux