ServeRoot fixing on WORKDIR

src/app.module.ts

@@ -32,7 +32,11 @@ import { AppConfigModule } from "./core/config/config.module";
     DatabaseModule,
     CronModule,
     ServeStaticModule.forRoot({
-      rootPath: join(__dirname, "..", "files"),
+      // process.cwd() is always the project/container root (/app in Docker),
+      // so the volume-mounted /app/files is resolved correctly regardless of
+      // where the compiled dist files live (__dirname would resolve to
+      // /app/dist/src because TypeScript preserves the src/ prefix in outDir).
+      rootPath: join(process.cwd(), "files"),
       serveRoot: "/files",
     }),
     UsersModule,