Submit button buffer the response

[amar1jeet995]

Hi Stephen,
I used your code and dockerized the application, but when I click on submit, response is not generated. Itgoes in pending state when checked in Networks tab.
When I refresh the page manually, then I can see the response.
Tried multiple settings for Nginx, like disabling buffer, increasing response time, but no luck.
I get error:
[warn] message in error log: an upstream response is buffered to a temporary file while reading upstream.
When I resolve this,then I get this error.
NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream

Note: I am not using ElasticBean stalk, I have manually setup docker and docker compose on EC2.