I’m not quite understanding: you’re saying you deploy your site one way, then crawl it, then redeploy it via the zipfile you created? And why is SSR relevant to the discussion?
For example if you look at this site on the browser https://pota.quack.uy/ and do `curl https://pota.quack.uy/` do you see any of the text that is rendered in the browser as output of the curl command?
You don't, because curl doesn't execute JavaScript, and that text comes from JavaScript. One way to fix this problem, is by having a Node.js instance running that does SSR, so when your curl command connects to the server, a node instance executes JavaScript that is streamed/served to curl. (node is running a web server)
Another way, without having to execute JavaScript in the server is to crawl yourself, let's say in localhost, (you do not even need to deploy) then upload the result to a web server that could serve the files.