Session cookie not working in production deployment

import { betterAuth } from "better-auth";
import { jwt, twoFactor } from "better-auth/plugins";
import { passkey } from "better-auth/plugins/passkey";
import { createPool } from "mysql2/promise";

export const auth = betterAuth({
  appName: "PlayinGG",
  advanced: {
    cookiePrefix: "playingg_gguardian",
    crossSubDomainCookies: {
      enabled: true,
      domain: ".playin.gg",
    },
    defaultCookieAttributes: {
      secure: true,
      httpOnly: true,
      sameSite: "none",
      partitioned: true,
    },
  },
  emailAndPassword: {
    requireEmailVerification: true,
    enabled: true,
  },
  emailVerification: {
    sendVerificationEmail: async ({ user, url, token }, request) => {
      /* await sendEmail({
        to: user.email,
        subject: "Verify your email address",
        text: `Click the link to verify your email: ${url}`,
      }); */
      console.log(user, url, token);
    },
  },
  socialProviders: {
    discord: {
      clientId: process.env.DISCORD_CLIENT_ID as string,
      clientSecret: process.env.DISCORD_CLIENT_SECRET as string,
    },
    google: {
      clientId: process.env.GOOGLE_CLIENT_ID as string,
      clientSecret: process.env.GOOGLE_CLIENT_SECRET as string,
    },
    twitch: {
      clientId: process.env.TWITCH_CLIENT_ID as string,
      clientSecret: process.env.TWITCH_CLIENT_SECRET as string,
    },
  },
  user: {
    modelName: "users",
    fields: {
      name: "name",
      email: "email",
      emailVerified: "email_verified",
      image: "image",
      createdAt: "created_at",
      updatedAt: "updated_at",
    },
  },
  database: createPool({
    host: process.env.DB_HOST,
    user: process.env.DB_USER,
    password: process.env.DB_PASS,
    database: process.env.DB_NAME,
  }),
  trustedOrigins: ["http://localhost:3000", "https://www.playin.gg", "https://playin.gg", "https://portal.playin.gg", "https://auth.playin.gg"], // @WARN: http:localhost:3000 only for development purposes
  /* session: {
    expiresIn: 60,
  }, */
  plugins: [jwt(), passkey(), twoFactor()],
});

import AccountList from "@/components/settings/account-list";
import LogoutButton from "@/components/auth/logout-button";
import MFASection from "@/components/settings/mfa-section";
import PasskeyList from "@/components/settings/passkey-list";
import SessionList from "@/components/settings/session-list";
import { auth } from "@/lib/auth";
import { headers } from "next/headers";
import { redirect } from "next/navigation";

const ProtectedSSRPage = async () => {
  const { data: session } = await auth.getSession({
    fetchOptions: {
      headers: await headers(),
    },
  });

  if (!session) {
    return redirect("/auth/login");
  }
  
  return(...)
}

export default ProtectedSSRPage;