Import source: backend/src/plugins/prisma

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

backend/src/plugins/prisma.ts

@@ -0,0 +1,25 @@
+import fp from 'fastify-plugin';
+import { PrismaClient } from '@prisma/client';
+import type { FastifyPluginAsync } from 'fastify';
+
+declare module 'fastify' {
+  interface FastifyInstance {
+    prisma: PrismaClient;
+  }
+}
+
+export const prismaPlugin: FastifyPluginAsync = fp(async (fastify) => {
+  const prisma = new PrismaClient({
+    log: fastify.log.level === 'debug' ? ['query', 'error', 'warn'] : ['error'],
+  });
+
+  await prisma.$connect();
+
+  fastify.decorate('prisma', prisma);
+
+  fastify.addHook('onClose', async (server) => {
+    await server.prisma.$disconnect();
+  });
+});
+
+export default prismaPlugin;