Building an Alexa Skills as a Web Service With Express, Node.js & MongoDB

On last article we have seen, How to build an Amazon Alexa Skill with AWS Lambda Function (Blueprints). In this article we are going to build an Amazon Alexa Skills Application with Node.js, MongoDB and Express framework. Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.

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MongoDB – GridFS Using Mongoose On Node.js

MongoDB and Node.js are often used together because of their shared use of JavaScript and its object notation (JSON & BSON). MongoDB is a type of NoSQL database will stores its data in documents. MongoDB stores data as BSON with a limitation of document size 16 MB, Where BSON is a binary serialization format used to store documents and make remote procedure calls in MongoDB. GridFS is MongoDB’s solution for storing and retrieving files that exceed the BSON-document size limit of 16 MB. Instead of storing a file in a single document, GridFS divides the file into parts, or chunks, and stores each chunk as a separate document.

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