docker link error

docker link error

docker run -d --name pg -e PG_USERNAME=postgres -e PG_PASSWORD=postgres -c=0 -m=512m myregistry:5000/official/postgres:9.3
72958e26a5c86e528f4f400991f3c8478fbee34eb927e0ad6773f726a3ec4593

docker run -d --name redis -c=0 -m=128m myregistry:5000/official/redis:2.8.19
35fdacde1047e82997d0cb2304cfa7f203b3e3035d8d0e6c67bfad9cf7cce14b

docker run -d --name mongo -c=0 -m=128m myregistry:5000/official/mongo:2.6.7
0835c3beed1a805737d503f1d44ebcc61630894d9ca45b73643a1e628d3b9d56

docker run --rm -v /etc/localtime:/etc/localtime -e RAILS_ENV=staging --link pg:app_pg --link redis:app_redis --link mongo:app_mongodb -m=1700m -c=0 myregistry:5000/app:1.0.0-f524bb35d /bin/bash -xc 'rm -rf tmp/pids && bundle install && bundle exec rake db:create apartment:create db:seed:test && bundle exec unicorn'

FATA[0000] Error response from daemon: Unable to find a node fulfilling all dependencies: --link=pg:beesor_pg --link=redis:beesor_redis --link=mongo:beesor_mongodb