OpenWorkers is an open-source runtime that allows you to run JavaScript using Cloudflare Workers' programming model on your own servers. It supports various features like KV storage, PostgreSQL, and S3-compatible storage, all while using V8 isolates for sandboxing. The setup is straightforward, requiring only a PostgreSQL database and a Docker Compose file.

This article discusses a new Cloudflare Worker template for Vertical Microfrontends (VMFE), allowing teams to manage independent application slices based on URL paths. It explains how this architecture enables teams to own their code and deploy independently while maintaining a cohesive user experience through techniques like view transitions and preloading.