version: '3'
services:
  rabbitmq:
    container_name: rabbitmq
    image: rabbitmq:3.8.2-management-alpine
    ports:
      - "15672:15672"   # Management
      - "4369:4369"
      - "5671:5671"
      - "5672:5672"
      - "25672:25672"
    environment:
      URL1: ${EnvironmentKey1}
      URL2: ${EnvironmentEmpty}
      URL3: ${EnvironmentEmpty:-server3}
      URL4: ${EnvironmentEmpty-server4}
      URL5: ${NonExistent:-server5}
      URL6: ${NonExistent-server6}