version: '3.9'
services:
  listener:
    build:
      context: .
      dockerfile: ./01-centos-base.Dockerfile
    ports:
      - '5060:5060'
  talker:
    build:
      context: .
      dockerfile: ./02-ubuntu-base.Dockerfile
    depends_on:
      - listener
    environment:
      - CONNECT_HOST=listener
      - CONNECT_PORT=5060