How to build an invoice generator app in Webflow Cloud

Generating a branded invoice PDF using Webflow Cloud involves deploying a Next.js app, using a SQLite database for invoice records, and rendering the PDF on the Workers runtime without an external print service. The process requires a Webflow Cloud app running Next.js 15 or higher, a SQLite database binding, and a pure-JavaScript PDF library such as pdf-lib, which is compatible with the edge environment. The app development follows a sequence of steps: setting up a project, adding a database and defining a schema, creating route handlers for invoice creation and listing, and generating PDFs dynamically. The system relies on integer cents for monetary values to prevent floating-point errors. The development and deployment process is facilitated by GitHub integration and Webflow CLI, and the app can be extended with payment processing, email delivery, and user authentication features.

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