ELB Server Override Flag for jets server
Important: These docs are for the outdated Jets 5 versions and below. For the latest Jets docs: docs.rubyonjets.com
Background
While the goal of Jets is to create and deploy serverless services, there is often a need to run Jets in the server mode to debug your applications. This may include hosting it on AWS and having it reachable through a load balancer such as an Application Load Balancer.
In the event you have a need to run it through an Elastic Load Balancer while running jets server, setting JETS_ELB=1 will guarantee jets server behaviour even when behind an ELB. Context #584