Please help to solve me, I have been doing last 3 days

I am waiting for your response

It's hard to tell why this happens wihtout any details. Please, share the following info:
- Does this happen on every build?
- Does this happen on local build as well?
- Do you use any automation for the page build/deployment (vercel, jenkins, other things)? If so, what's the config/commands you use?

We don't know anything about your code/data so it's hard to tell more. Note, that someone requested more info from you above, so please, share as much as you can about your setup.

local build perfectally fine, but in production build on ec2 instance it stuck

How large is the instance? Can it be due to lack of memory/slow cpu/slow disk? You can check node resource usage on the instance to see if any of those are a problem. Also, make sure to note if this happens each build, or did it happened only once. If only once, I'd recommend restarting the build (preferrably after removeing .next folder and/or reinstalling fresh node_modules)