poly-weather/packages/dashboard/next.config.mjs

import { config } from 'dotenv';
import { expand } from 'dotenv-expand';
import { resolve, dirname } from 'path';
import { fileURLToPath } from 'url';

const __dirname = dirname(fileURLToPath(import.meta.url));

// Load root .env so all packages share the same env vars (override any existing)
// Use dotenv-expand to support ${VAR} references (e.g. DATABASE_URL referencing DB_PASSWORD)
expand(config({ path: resolve(__dirname, '../../.env'), override: true }));

/** @type {import('next').NextConfig} */
const nextConfig = {
  transpilePackages: ['@poly-weather/core', '@poly-weather/market-engine'],
  experimental: {
    instrumentationHook: true,
  },
};

export default nextConfig;