[Solved] How can you ensure PrismaClient disconnects properly when your NestJS app shuts down? — Ans: Implement OnModuleDestroy lifecycle hook and call prisma.$disconnect() | NestJS

NestJS - Database with Prisma

How can you ensure PrismaClient disconnects properly when your NestJS app shuts down?

ANo need to disconnect PrismaClient manually

BCall prisma.$disconnect() in every service method

CRely on Node.js garbage collection to close connections

DImplement OnModuleDestroy lifecycle hook and call prisma.$disconnect()

Step-by-Step Solution

Solution:

Step 1: Use NestJS lifecycle hooks
Implementing OnModuleDestroy allows cleanup when module is destroyed.
Step 2: Call prisma.$disconnect()
Calling prisma.$disconnect() closes database connections gracefully.
Final Answer:
Implement OnModuleDestroy lifecycle hook and call prisma.$disconnect() -> Option D
Quick Check:
Use OnModuleDestroy to disconnect PrismaClient properly [OK]

Quick Trick: Disconnect PrismaClient in OnModuleDestroy hook [OK]

Common Mistakes:

Master "Database with Prisma" in NestJS

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