If the build produces files
A static export from Astro, Next.js or a Vite app can be served without an application server. Publish the folder produced by the build.
If you need server code
For SSR, APIs or dynamic routes, configure a service with the required resources. Check its port, environment variables and health checks.
If you combine both
A hybrid deployment serves static files from storage and runs a server for dynamic work. The simulator adds both costs and lets you adjust running hours.