Refactor CORS configuration and add utility, update package.json for dev start command, and create GraphQL query/mutation files

src/common/utils/cors.utils.ts

@@ -0,0 +1,6 @@
+export const cors = {
+  origin: process.env.CORS_ORIGIN,
+  methods: ['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'OPTIONS'],
+  allowedHeaders: ['Content-Type', 'Authorization'],
+  credentials: true,
+};

src/graphql/graphql.module.ts

@@ -22,4 +22,4 @@ export class GraphqlModule {
       .apply(GraphQLValidationMiddleware) // Apply the custom middleware
       .forRoutes('graphql'); // Ensure it only applies to the /graphql endpoint
   }
-}
+}

src/main.ts

@@ -1,15 +1,10 @@
 import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
+import { cors } from './common/utils/cors.utils';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule);
-  app.enableCors({
-    origin: '*',
-    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE',
-    preflightContinue: false,
-    optionsSuccessStatus: 204,
-    credentials: true,
-  });
+  app.enableCors(cors);
   await app.listen(3000);
 }
 bootstrap();