Hosting Deploy
Run and publish make your website live on modern hosting
For deploy and make your website live, so you need to register on modern static host provider, for example, cloudflare , netlify or vercel.
Register with your github account
Next you can click create new project app for netlify and vercel or pages for cloudflare
And you can click select and integration with your github repo project.
After you have integration with your github account, now you can select yout github repo
Next you can click deploy, and select docusaurus as framework.
Click Deploy
Congratulations your website is live now !!