Based on official Pixi.js sample project: https://github.com/actions-on-google/dialogflow-interactive-canvas-nodejs
The project contains a Defold project in thje defold folder. This project replicates the functionality of the Pixi.js project via an InteractiveCanvas native extension.
Bundle the project as HTML5 and copy the bundled files to the public folder. Deploy using the same sequence of steps as in the Pixi.js version.