use:
$ docker run -d \
--restart=always \
--name rabbitmq-mongodb \
-e AMQPHOST=amqp://<RABBITMQ_HOSTNAME> \
-e MONGODB=mongodb://<MONGODB_HOSTNAME>/<MONGODB_DATABASE> \
-e MONGOCOLLECTION=<MONGODB_COLLECTION> \
-e TRANSLATECONTENT=true \
-e QUEUENAME=xxqueue \
bowwow/amqp-mongo