For some time now I am working quite heavily on AWS in my current project. And of course we try and give our systems the shape of micro services (who wouldn't?). When using micro services architecture it is very often a good practice to not use a single database to which every single service is connecting whenever it needs data. Instead it is recommended to give every service which uses data its own database to store its model. AWS give us a very interesting NoSql database named DynamoDb which purpose is...