CORS errors on my site

export const auth = betterAuth({
    database: mongodbAdapter(dbInstance),
    emailAndPassword: {
        enabled: true,
        requireEmailVerification: false,
        minPasswordLength: 8,
    },
    trustedOrigins: [
        "https://planpal-ashen.vercel.app",
        "http://localhost:8080"
    ],
    secret: AUTH_SECRET,
    baseURL: BASE_URL,
        cookies: {
    sameSite: "none",
    secure: true,
    },