Docker image to run once and backup a MongoDB database to S3
Environment variables:
AUTH_DATABASE are mandatory which defaults to admin BACKUP_FILENAME defaults to
E.g.
docker run -e HOST=rs/mymongo-1:27017,mymongo-2:27017 -e ADMIN_USER=admin -e ADMIN_PASSWORD=mypass -e AUTH_DATABASE=rudolph -e NEW_DATABASE=newdb1 -e NEW_USER=newuser1 -e NEW_PASSWORD=password --link mongodb -d ocasta/mongo-init