Enter into the mongo container

docker exec -it mongo bash

Access mongo shell for the ‘admin’ database.

mongosh admin --username admin --password password

Create a capped collection called movie. Here the size is max number of bytes for the collection documents which is a mandatory field. Max is 50 documents – it is optional.

db.createCollection("movie", { capped : true, size : 5242880, max : 50 } )

Once you start and launch the app

{
    "title":"Code Name: K.O.Z.",
    "year":2015,
    "genre":"action",
    "imdbRating":1.6
  }