Effective DevOps with AWS

Adding metrics and events to our application

As you might expect, there are several ways to add metrics. You can either opt for a generic protocol, such as StatsD, which will let you reuse your metrics across a variety of products, both SaaS and open source, or, if you want to get something working quickly, use the AWS native SDK. Both options have pros and cons, but we will focus on the AWS native SDK.

We will once again start off from the root directory of our helloworld application. We will first start by installing the AWS SDK for JavaScript as follows:

$ npm install aws-sdk --save  

This will install into the node_modules directory the library and its dependencies and update the package.json file.

Once the library is installed, open the ...