fix(app): serve from port 8000

nginx listens for the container on this port

eligibility_server/app.py

@@ -57,4 +57,4 @@ def __repr__(self):
 
 
 if __name__ == "__main__":
-    app.run(host=app.config["HOST"], debug=app.config["DEBUG_MODE"])  # nosec
+    app.run(host=app.config["HOST"], debug=app.config["DEBUG_MODE"], port="8000")  # nosec