configuration from env

.gitignore

@@ -1 +1,2 @@
 .venv/
+ENV

src/requirements.txt

@@ -7,6 +7,7 @@ Flask-Session==0.8.0
 importlib_metadata==8.5.0
 itsdangerous==2.2.0
 Jinja2==3.1.5
+loguru==0.7.3
 MarkupSafe==3.0.2
 msgspec==0.19.0
 redis==5.2.1

src/run.py

@@ -1,16 +1,24 @@
 from flask import Flask, session
 from flask_session import Session
+from loguru import logger
 import redis
+import os
+
+try:
+  redis_url = os.environ['REDIS_URL']
+except KeyError as e:
+  logger.error(f"Required environment variable not set ({e})")
+  raise e
+  
 
-# Erstelle die Flask-App
 app = Flask(__name__)
+
 app.config.update({
   'SESSION_TYPE': 'redis',
-  'SESSION_REDIS': redis.Redis(host='172.23.1.111', port=6379, db=4)
+  'SESSION_REDIS': redis.from_url('redis://172.23.1.111:6379/4')
 })
 Session(app)
 
-# Index-Route
 @app.route('/')
 def index():
     counter = int(session.get('counter', '0'))
@@ -18,6 +26,5 @@ def index():
     session['counter'] = f"{counter}"
     return f"Hello, Flask! Called for the {counter}. time."
 
-# App starten
 if __name__ == '__main__':
     app.run(port=8080)