How to install daisyUI in a Phoenix Framework project.
1. Upgrade Phoenix Framework to use Tailwindcss v4 You should upgrade your project’s tailwind dependency to 0.3 to have the latest tailwindcss v4 on your Phoenix project. The instructions are available at the official tailwindcss docs.
You can also remove the tailwind.config.js file and switch to the new CSS based configuration. For more information, see the documentation on functions and directives.