postcss.config.cjs

const tailwindcss = require('tailwindcss');
const autoprefixer = require('autoprefixer');
const cssnano = require('cssnano');

const mode = process.env.NODE_ENV;
const dev = mode === 'development';

module.exports = {
    plugins: [
        // Some plugins, like postcss-nested, need to run before Tailwind

        tailwindcss,

        // But others, like autoprefixer, need to run after

        autoprefixer,

        !dev &&
            cssnano({
                preset: 'default',
            }),
    ],
};