first commit

backend/src/config/database.ts

@@ -0,0 +1,34 @@
+import { PrismaClient } from '@prisma/client';
+import { logger } from '../utils/logger';
+
+declare global {
+  var prisma: PrismaClient | undefined;
+}
+
+export const prisma = globalThis.prisma || new PrismaClient({
+  log: process.env.NODE_ENV === 'development' ? ['query', 'error', 'warn'] : ['error'],
+});
+
+if (process.env.NODE_ENV !== 'production') {
+  globalThis.prisma = prisma;
+}
+
+export async function connectDatabase() {
+  try {
+    await prisma.$connect();
+    logger.info('Database connected successfully');
+  } catch (error) {
+    logger.error('Database connection failed:', error);
+    throw error;
+  }
+}
+
+export async function disconnectDatabase() {
+  try {
+    await prisma.$disconnect();
+    logger.info('Database disconnected successfully');
+  } catch (error) {
+    logger.error('Database disconnection failed:', error);
+    throw error;
+  }
+}