Why We Moved From Lambda to ECS

• terraform

  500 41,118 9.9 Go

  Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, and versioned.

  

After a few days monkeying with Terraform, we had our second incarnation of Prismatic in AWS. Our integration runners ran on real Lambda, and were triggered via SQS. This is the point at which we started running into performance issues with our integration runners.

• axios

  439 103,985 8.4 JavaScript

  Promise based HTTP client for the browser and node.js

  

It turns out that if one customer writes some bad code into their integration - something like this, global.XMLHttpRequest = null;, then subsequent integration runs on that same Lambda that depend on the XMLHttpRequest library error out. This is a big deal, since one customer could break something like axios for another customer. A customer could even be malicious and execute something like global.console.log = (msg) => { nefariousCode(); }, and other integrations that execute on that same Lambda will run nefariousCode() whenever they invoke console.log(). Yikes!

• SurveyJS

  surveyjs.io sponsored

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• LocalStack

  154 52,145 9.9 Python

  💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline

  

The first incarnation of Prismatic used LocalStack. We knew that we wanted to eventually host Prismatic in AWS (with the possibility of moving to Azure, GCP, etc. as needed), so the ability to spin up our platform locally to simulate AWS was appealing. The LocalStack service that approximates AWS Lambda was easy to iterate on, and ran without any major hiccups. It gave us a great development feedback loop, so we could prototype and test very quickly.

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