Building your project is done through a package.json script called build, so:

bun run build

The output is something like:

$ next build
  ▲ Next.js 14.2.3

   Creating an optimized production build ...
 ✓ Compiled successfully
 ✓ Linting and checking validity of types    
 ✓ Collecting page data    
 ✓ Generating static pages (5/5)
 ✓ Collecting build traces    
 ✓ Finalizing page optimization    

Route (app)                              Size     First Load JS
┌ ○ /                                   5.29 kB        92.2 kB
└ ○ /_not-found                         871 B          87.8 kB
+ First Load JS shared by all            87 kB
  ├ chunks/23-0627c91053ca9399.js        31.5 kB
  ├ chunks/fd9d1056-2821b0f0cabcd8bd.js  53.6 kB
  └ other shared chunks (total)          1.86 kB


○  (Static)  prerendered as static content

In this build step, NextJS gives us information about what routes are rendered statically or dynamically:

○ (Static)   prerendered as static content
● (SSG)      prerendered as static HTML (uses getStaticProps)
λ  (Dynamic)  server-rendered on demand using Node.js

"Static content" is any response that your app generates that is not HTML (API endpoints), "SSG" is for HTML files, and "Dynamic" for server-rendered pages.

Deploying

Having built the project, you can start the production version by launching a Node server with the compiled code by doing:

bun run start

The directory containing the compiled project is called .next and it is quite large.