made first lambda function and deployed it successfully

src/modules/host/handlers/host.handler.ts

@@ -1,68 +0,0 @@
-// src/modules/host/handler/host.handler.ts
-import { NestFactory } from '@nestjs/core';
-import { AppModule } from 'src/app.module';
-import { HostService } from '../services/host.service';
-import { APIGatewayProxyHandler } from 'aws-lambda';
-import { CreateHostDto, UpdateHostDto } from '../dto/host.dto';
-
-let app;
-let hostService: HostService;
-
-async function bootstrap() {
-  if (!app) {
-    const nestApp = await NestFactory.createApplicationContext(AppModule);
-    hostService = nestApp.get(HostService);
-    app = nestApp;
-  }
-}
-
-export const handler: APIGatewayProxyHandler = async (event) => {
-  await bootstrap();
-
-  const method = event.httpMethod;
-  const path = event.path;
-  const body = event.body ? JSON.parse(event.body) : {};
-
-  try {
-    if (method === 'POST' && path.endsWith('/host')) {
-      const host = await hostService.createHost(body as CreateHostDto);
-      return response(201, host);
-    }
-
-    if (method === 'GET' && path.endsWith('/host')) {
-      const hosts = await hostService.getAllHosts();
-      return response(200, hosts);
-    }
-
-    if (method === 'GET' && path.match(/\/host\/\d+$/)) {
-      const id = Number(path.split('/').pop());
-      const host = await hostService.getHostById(id);
-      return response(200, host);
-    }
-
-    if (method === 'PUT' && path.match(/\/host\/\d+$/)) {
-      const id = Number(path.split('/').pop());
-      const host = await hostService.updateHost(id, body as UpdateHostDto);
-      return response(200, host);
-    }
-
-    if (method === 'DELETE' && path.match(/\/host\/\d+$/)) {
-      const id = Number(path.split('/').pop());
-      const host = await hostService.deleteHost(id);
-      return response(200, { message: 'Host deleted successfully', host });
-    }
-
-    return response(404, { message: 'Not Found' });
-  } catch (error) {
-    console.error('Error:', error);
-    return response(500, { message: error.message || 'Internal Server Error' });
-  }
-};
-
-function response(statusCode: number, body: any) {
-  return {
-    statusCode,
-    headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify(body),
-  };
-}

src/modules/host/handlers/host.ts

@@ -0,0 +1,28 @@
+import { APIGatewayProxyEvent, APIGatewayProxyResult, Context } from 'aws-lambda';
+import { PrismaClient } from '@prisma/client';
+import { safeHandler } from '../../../common/utils/handlers/safeHandler';
+
+const prisma = new PrismaClient();
+
+export const handler = safeHandler(async (
+  event: APIGatewayProxyEvent
+): Promise<APIGatewayProxyResult> => {
+
+  const result = await prisma.hostHeader.findMany({
+    select: {
+      hostParent: true,
+      hostRefNumber: true,
+      hostStatusDisplay: true,
+      accountManager: true,
+    },
+  });
+
+  return {
+    statusCode: 200,
+    headers: {
+      'Content-Type': 'application/json',
+      'Access-Control-Allow-Origin': '*',
+    },
+    body: JSON.stringify(result),
+  }
+})