network config for docker containers via Docker Compose

docker-compose.yml

version: '3.7'
services:
  sonarqube:
    image: sonarqube
    ports:
      - 9000:9000
      - 9092:9092
    networks:
      testing_net:
          ipv4_address: 172.28.1.1
  jenkins:
    image: jenkins
    ports:
      - 8080:8080
      - 50000:50000
    volumes:
      - type: bind
        source: D:/ProjectWorkspace
        target: /project
    extra_hosts:
      - "sonar:172.28.1.1"
    depends_on:
      - sonarqube
    networks:
      testing_net:
          ipv4_address: 172.28.1.2

networks:
    testing_net:
        ipam:
            driver: default
            config:
                - subnet: 172.28.0.0/16