FaunaDB support is built into Netlify Dev and was shown in the Netlify CEO’s keynote at the JAMstack conf. Netlify also has one-click deploy support for including FaunaDB with your applications. For instance this sample app can be deployed almost automatically:
https://github.com/sw-yx/netlify-fauna-todo (Disclaimer, I work for Fauna and helped with the one-click deploy integration.)