Why Your Client Is Hitting Someone Else's Website
ALBs don’t have static IPs. When AWS recycles your old IP and a client’s DNS cache hasn’t caught up, their requests go to someone else’s workload. Here’s what causes it and how to fix it with IPAM.
Networking
How to Give AWS Lambda a Static IP
Lambda’s outbound IPs change every invocation. Here’s the right way to give it a fixed IP using a NAT Gateway, and the common mistakes that will waste your afternoon.