HOW

[suprohub]

how create workflow for running trunk serve on github.io?

[dbalsom]

you don't - github actions are not persistent so running a web server in them would be pointless

here's an example of a workflow that will use trunk build and then deploy to github pages.

https://github.com/dbalsom/fluxfox/blob/main/.github/workflows/deploy_ff_egui_app.yml