1. Installer les paquets:

   apt update && apt dist-upgrade
   apt install apache2 python3 python3-pip python3-venv

2. Créer l'environnement:

   cd /opt && mkdir flask-app
   cd flask-app
   python3 -m venv flask-venv
   source flask-venv/bin/activate
   pip3 install flask

1. Créer un fichier app.py

   nano app.py

   Avec le contenu:

   app.py

   from flask import Flask
   app = Flask(__name__)
    
   @app.route('/')
   def index():
       return 'Hello World'

1. Tester la base:

   export FLASK_APP=app.py
   flask run --host=0.0.0.0

2. Quitter l'envirronnement:

   deactivate

1. Installer le module wsgi pour apache:

   apt install libapache2-mod-wsgi-py3

2. Créer un fichier flask-app:

   nano /opt/flask-app/flask-app.wsgi

   Contenu:

   flask-app.wsgi

   import sys
   sys.path.insert(0,'/opt/flask-app')
    
   from app import app as application

  nano /etc/apache2/sites-available/flask.conf

<VirtualHost *:80> ServerName yourdomain.com DocumentRoot /opt/flask-app/

WSGIDaemonProcess app user=www-data group=www-data threads=5 python-home=/opt/flask-app/flask-venv WSGIScriptAlias / /opt/flask-app/flask-app.wsgi

ErrorLog ${APACHE_LOG_DIR}/flask-error.log CustomLog ${APACHE_LOG_DIR}/flask-access.log combined

<Directory /opt/flask-app> WSGIProcessGroup app WSGIApplicationGroup %{GLOBAL} Order deny,allow Require all granted </Directory> </VirtualHost>

a2dissite 000-default.conf a2ensite flask.conf

https://www.rosehosting.com/blog/how-to-install-flask-on-ubuntu-22-04-with-apache-and-wsgi/

• https://www.bogotobogo.com/python/Flask/Python_Flask_HelloWorld_App_with_Apache_WSGI_Ubuntu14.php