deploying cicd demo app

app.py

@@ -0,0 +1,9 @@
+from flask import Flask
+app = Flask(__name__)
+
+@app.route('/')
+def hello():
+    return "<h1>Hello from the Realistic Demo App!</h1><p>This is a simple Flask server for demonstration.</p>"
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000)