poly-weather/packages/dashboard/src/lib/db.ts

/**
 * Prisma client singleton for the dashboard.
 * Reads DATABASE_URL from environment.
 */

import { PrismaClient } from '@prisma/client';

const globalForPrisma = globalThis as unknown as { prisma: PrismaClient | undefined };

export const prisma =
  globalForPrisma.prisma ??
  new PrismaClient({
    log: process.env['LOG_LEVEL'] === 'debug' ? ['query', 'warn', 'error'] : ['warn', 'error'],
  });

if (process.env['NODE_ENV'] !== 'production') {
  globalForPrisma.prisma = prisma;
}