502 are gateway failures, typically in a proxy layer where the proxy can’t talk to the upstream service. You say that you have apache with mod_proxy for your frontend but I see no proxy layer except ALB there, is that the only proxy layer?
502 are gateway failures, typically in a proxy layer where the proxy can’t talk to the upstream service. You say that you have apache with mod_proxy for your frontend but I see no proxy layer except ALB there, is that the only proxy layer?