How to link containers in Docker from different docker-compose?

Question

Docker

I have SENTRY running on one instance. https://github.com/qari/onpremise
In parallel, other services are being developed on Django, Flask on other instances. As a result, it is necessary to log data from all projects in SENTRY. The problem is that containers with services do not see SENTRY and the same localhost: 9000 inside themselves, since everything is on a different instance.
As an option on each project to implement sentry but the desire to get it separately. How to forward ports for the desired result between different instances?

Answer 1

Solved by

networks:
  default:
    driver: bridge
    ipam:
      config:
      - subnet: 172.25.0.0/24