diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index 97c1e92..9d14fa4 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -1,23 +1,74 @@
 import { Module } from "@nestjs/common";
-import { ConfigModule } from "@nestjs/config";
+import { CacheModule } from "@nestjs/cache-manager";
+import { ConfigModule, ConfigService } from "@nestjs/config";
+import { redisStore } from "cache-manager-redis-yet";
+import { ScheduleModule } from "@nestjs/schedule";
+import { ThrottlerModule } from "@nestjs/throttler";
+import { ApiKeysModule } from "./api-keys/api-keys.module";
 import { AppController } from "./app.controller";
 import { AppService } from "./app.service";
+import { AuthModule } from "./auth/auth.module";
+import { CategoriesModule } from "./categories/categories.module";
+import { CommonModule } from "./common/common.module";
+import { validateEnv } from "./config/env.schema";
+import { ContentsModule } from "./contents/contents.module";
 import { CryptoModule } from "./crypto/crypto.module";
 import { DatabaseModule } from "./database/database.module";
+import { FavoritesModule } from "./favorites/favorites.module";
+import { HealthController } from "./health.controller";
 import { MailModule } from "./mail/mail.module";
+import { MediaModule } from "./media/media.module";
+import { ReportsModule } from "./reports/reports.module";
 import { S3Module } from "./s3/s3.module";
+import { SessionsModule } from "./sessions/sessions.module";
+import { TagsModule } from "./tags/tags.module";
+import { UsersModule } from "./users/users.module";
 
 @Module({
 	imports: [
 		DatabaseModule,
 		CryptoModule,
+		CommonModule,
 		S3Module,
 		MailModule,
+		UsersModule,
+		AuthModule,
+		CategoriesModule,
+		ContentsModule,
+		FavoritesModule,
+		TagsModule,
+		MediaModule,
+		SessionsModule,
+		ReportsModule,
+		ApiKeysModule,
+		ScheduleModule.forRoot(),
+		ThrottlerModule.forRootAsync({
+			imports: [ConfigModule],
+			inject: [ConfigService],
+			useFactory: (config: ConfigService) => [
+				{
+					ttl: 60000,
+					limit: config.get("NODE_ENV") === "production" ? 100 : 1000,
+				},
+			],
+		}),
 		ConfigModule.forRoot({
 			isGlobal: true,
+			validate: validateEnv,
+		}),
+		CacheModule.registerAsync({
+			isGlobal: true,
+			imports: [ConfigModule],
+			inject: [ConfigService],
+			useFactory: async (config: ConfigService) => ({
+				store: await redisStore({
+					url: `redis://${config.get("REDIS_HOST")}:${config.get("REDIS_PORT")}`,
+				}),
+				ttl: 600, // 10 minutes
+			}),
 		}),
 	],
-	controllers: [AppController],
+	controllers: [AppController, HealthController],
 	providers: [AppService],
 })
 export class AppModule {}