---
version: '3'
services:
  openldap-admin:
    image: osixia/phpldapadmin:0.9.0
    ports:
      - 9090:80
    environment:
      - PHPLDAPADMIN_LDAP_HOSTS=openldap
      - PHPLDAPADMIN_HTTPS=false
    networks:
      - authelianet
...