fix&refactor: correct port mapping in docker-compose and set fixed port in main.py

monitor/docker-compose.yml

@@ -6,7 +6,7 @@ services:
       context: ..
       dockerfile: monitor/Dockerfile
     ports:
-      - "${FLASK_PORT:-8080}:${FLASK_PORT:-8080}"
+      - "${FLASK_PORT:-8080}:8080"
     volumes:
       - ../evaluation_examples:/app/evaluation_examples
       - ../results_operator_aws:/app/results_operator_aws

monitor/main.py

@@ -183,7 +183,7 @@ if __name__ == '__main__':
     
     # Start web service
     host = os.getenv("FLASK_HOST", "0.0.0.0")
-    port = int(os.getenv("FLASK_PORT", "8080"))
+    port = 8080
     debug = os.getenv("FLASK_DEBUG", "false").lower() == "true"
     
     app.run(host=host, port=port, debug=debug)