chore: api v2 generate swagger only in dev (#26617)

apps/api/v2/src/main.ts

@@ -6,7 +6,7 @@ import { Logger } from "@nestjs/common";
 import { ConfigService } from "@nestjs/config";
 import { NestFactory } from "@nestjs/core";
 import type { NestExpressApplication } from "@nestjs/platform-express";
-import "dotenv/config";
+
 import { WinstonModule } from "nest-winston";
 import * as qs from "qs";
 
@@ -15,7 +15,6 @@ import type { AppConfig } from "@/config/type";
 import { AppModule } from "./app.module";
 import { bootstrap } from "./bootstrap";
 import { loggerConfig } from "./lib/logger";
-import { generateSwaggerForApp } from "./swagger/generate-swagger";
 
 run().catch((error: Error) => {
   console.error("Failed to start Cal Platform API", { error: error.stack });
@@ -28,8 +27,14 @@ async function run(): Promise<void> {
 
   try {
     bootstrap(app);
-    const port = app.get(ConfigService<AppConfig, true>).get("api.port", { infer: true });
-    generateSwaggerForApp(app);
+    const config = app.get(ConfigService<AppConfig, true>);
+    const port = config.get("api.port", { infer: true });
+
+    if (config.get("env.type", { infer: true }) === "development") {
+      const { generateSwaggerForApp } = await import("./swagger/generate-swagger");
+      generateSwaggerForApp(app);
+    }
+
     await app.listen(port);
     logger.log(`Application started on port: ${port}`);
   } catch (error) {