fix: update PrismaService constructor to use correct datasource format and include prisma.config.ts in Dockerfile

backend/Dockerfile

@@ -26,6 +26,7 @@ ENV NODE_ENV=production
 COPY --from=builder /app/package.json ./package.json
 COPY --from=builder /app/node_modules ./node_modules
 COPY --from=builder /app/prisma ./prisma
+COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
 COPY --from=builder /app/dist ./dist
 
 EXPOSE 8080

backend/src/prisma/prisma.service.ts

@@ -9,7 +9,7 @@ export class PrismaService
   private readonly logger = new Logger(PrismaService.name);
 
   constructor() {
-    super({ datasourceUrl: process.env.DATABASE_URL });
+    super({ datasources: { db: { url: process.env.DATABASE_URL } } });
   }
 
   async onModuleInit() {

backend/tsconfig.json

@@ -17,5 +17,6 @@
     "strictBindCallApply": false,
     "forceConsistentCasingInFileNames": false,
     "noFallthroughCasesInSwitch": false
-  }
+  },
+  "exclude": ["node_modules", "prisma.config.ts"]
 }