openldap won't start only in docker-compose...

docker-compose.yml

escdb:
  image: postgres
  ports:
    - "5432"
escldap:
  image: osixia/openldap
  ports:
    - "389:389"
    - "636:636"
escsvn:
  image: krisdavison/svn-server:v2.0
  command: ./startup.sh
  ports:
    - "80:80"
escweb:
  build: .
  command: bundle exec rails s -p 3100 -b '0.0.0.0'
  volumes:
    - .:/myapp
  ports:
    - "3100:3100"
  links:
    - escdb
    - escsvn
    - escldap