I have been trying for two days to get rid of this error. It also often says "100.0 % of the requests are failing with HTTP 5xx". I have been reading about troubleshooting from here https://aws.amazon.com/premiumsupport/knowledge-center/elb-fix-failing-health-checks-alb/ but nothing is working. I have tried changing the health check path from '/' to '/healthCheck' as that has worked for some other people.
INFO:
I am using an application load balancer so that I can use HTTPS. I am using t3.micro although I have tried t3.small and t3.medium.
Here are my load balancer settings in the configuration part of console:
My security group for the instance has the same two inbound rules at source 0.0.0.0/0 and outbounds all traffic to 0.0.0.0/0.
And here is some target group info:
Where is the best place to look for this error?
