Since the hub is the central point of contact, it is also the primary target for attacks.
For a hub, Redis is often the gold standard. It’s an in-memory data store, meaning it’s incredibly fast for real-time updates. If you need long-term storage (like user profiles), pair it with a relational database like PostgreSQL . How To Make A Serverside Hub Part 2/2
Most hubs require instant updates (think dashboards or chat). Standard HTTP requests won't cut it because the server can't "talk" to the client unless asked. Since the hub is the central point of
Now that your basic server structure is live, it’s time to transform it from a simple gateway into a functional "brain" for your application. 1. State Management & Data Persistence If you need long-term storage (like user profiles),
What happens when the hub tries to send data to a service that is offline?
Every request passing through the hub must carry a JSON Web Token (JWT). The hub should verify this token before passing the request to internal services.
Run multiple instances of your hub behind a Load Balancer .