In our last post, we discussed the Read Replica Pattern — a powerful technique to scale read operations. Now let’s look at how to implement it effectively, especially using middleware. There are two common ways to set this up: 1️⃣ Embed the routing logic directly in the application code 2️⃣ Use database middleware for transparent routing In this post, we focus on Option 2 — Database Middleware — which acts as a smart proxy between your application and databases.

In our last post, we discussed the Read Replica Pattern — a powerful technique to scale read operations. Now let’s look at how to implement it effectively, especially using middleware.
There are two common ways to set this up:
1️⃣ Embed the routing logic directly in the application code
2️⃣ Use database middleware for transparent routing
In this post, we focus on Option 2 — Database Middleware — which acts as a smart proxy between your application and databases.