diversify the flask ports, each flask instance has another port to prevent confusion;

components/entitiy_ident/entity_ident_service/Dockerfile

@@ -2,7 +2,7 @@ FROM python:3.8-slim
 COPY . /app
 WORKDIR /app
 RUN pip install -r requirements.txt
-ENV PORT 5000
-EXPOSE 5000
+ENV PORT 5002
+EXPOSE 5002
 ENTRYPOINT [ "python" ]
 CMD [ "entity_ident_server.py" ]