Boosting Availability and Performance: How to Load Balance a Node API Gateway with Docker
Load balancing is an important technique for scaling web applications and ensuring their reliability and availability. In a microservices architecture, a common pattern is to use an API gateway to route incoming requests to the appropriate service instances. However, as the traffic grows, a single API gateway instance may become a bottleneck and a single point of failure. To avoid these issues, we can use multiple API gateway instances and distribute the traffic among them using a load balancer.
In this post, we’ll explore how to set up a load-balanced API gateway using Node.js and Docker. We’ll use Docker Compose to define multiple instances of the API gateway and a load balancer, and we’ll configure the load balancer to distribute the traffic among the instances using a round-robin algorithm.
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