Extend your preferred base images to be Lambda compatible
...The Lambda NodeJS Runtime Interface Client is vended through npm. You can include this package in your preferred base image to make that base image Lambda compatible. To make it easy to locally test Lambda functions packaged as container images we open-sourced a lightweight web-server, Lambda Runtime Interface Emulator (RIE), which allows your function packaged as a container image to accept HTTP requests. You can install the AWS Lambda Runtime Interface Emulator on your local machine to test your function.
An implementation of the exact same app in Firestore, AWS Datastore
In this project I have implemented the exact same chat application with different database technologies. You can use it to compare metrics and learn about the differences. The chat app is a web-based angular application, with functionality similar to Whatsapp Web. All metrics are measured automatically via code in a browser test (chrome:headless). The results heavily depend on the developer's device. You should compare the values relative to one another and not as absolute values. Also, you might want to create new metrics that better represent how you would use the respective database. ...