In this post, I will attempt to explain how to deploy Web Servers in private subnets. The common deployment pattern followed by newbies is to deploy Web Servers in public subnets or edge network and use an Elastic Load Balancer to route traffic to them. However, one may want to deploy such servers in private subnets or core network owing to better security and/or company network policies. So let us skip the fluff and get down to the nitty gritty. Assumptions I assume the reader is modestly aware of AWS services like Elastic Compute Cloud (EC2), Elastic Load Balancer (ELB); has knowledge of Virtual Private Cloud (VPC) and can spin up EC2 instances. Objective The objective is to present a highly available (in a single region) and secure deployment solution for a set of Web Servers. Explanation I shall use the diagram below, to explain the deployment. Diagram-1 The solution has the following significant components: The solution spans two AZs to provid...