diff --git a/src/common/config/jwt.config.ts b/src/common/config/jwt.config.ts
index 2a182ec..2272954 100644
--- a/src/common/config/jwt.config.ts
+++ b/src/common/config/jwt.config.ts
@@ -5,9 +5,9 @@ export const jwtConfig: JwtModuleAsyncOptions = {
   inject: [ConfigService],
   useFactory: async (configService: ConfigService) => {
     return {
-      secret: configService.get('JWT_SECRET'),
+      secret: configService.get<string>('JWT_SECRET'),
       signOptions: {
-        expiresIn: configService.get('JWT_EXPIRATION_TIME'),
+        expiresIn: configService.get<string>('JWT_EXPIRATION_TIME'),
       },
     };
   },
diff --git a/src/common/config/multer.config.ts b/src/common/config/multer.config.ts
index 3342f96..47d7fcf 100644
--- a/src/common/config/multer.config.ts
+++ b/src/common/config/multer.config.ts
@@ -1,13 +1,27 @@
 import { ConfigService } from '@nestjs/config';
 import { MulterModuleAsyncOptions } from '@nestjs/platform-express';
 import { diskStorage } from 'multer';
+import { existsSync, mkdirSync } from 'fs';
+import { extname } from 'path';
 
 export const multerConfig: MulterModuleAsyncOptions = {
   inject: [ConfigService],
   useFactory: async (configService: ConfigService) => {
     return {
       storage: diskStorage({
-        destination: './uploads',
+        destination: (req, file, callback) => {
+          const uploadPath = __dirname + '/../../uploads';
+          if (!existsSync(uploadPath)) {
+            // uploads 폴더가 존재하지 않을시, 생성합니다.
+            mkdirSync(uploadPath);
+          }
+          callback(null, uploadPath);
+        },
+        filename: (req, file, callback) => {
+          const userAccessToken = 'test';
+          const extension = extname(file.mimetype);
+          callback(null, `${userAccessToken}-${file.fieldname}.${extension}`);
+        },
       }),
     };
   },
diff --git a/src/common/config/typeorm.config.ts b/src/common/config/typeorm.config.ts
index e11aa92..90bfe45 100644
--- a/src/common/config/typeorm.config.ts
+++ b/src/common/config/typeorm.config.ts
@@ -6,11 +6,11 @@ export const typeOrmConfig: TypeOrmModuleAsyncOptions = {
   useFactory: async (configService: ConfigService) => {
     return {
       type: 'postgres',
-      host: configService.get('POSTGRES_HOST'),
-      port: configService.get('POSTGRES_PORT'),
-      username: configService.get('POSTGRES_USER'),
-      password: configService.get('POSTGRES_PASSWORD'),
-      database: configService.get('POSTGRES_DB'),
+      host: configService.get<string>('POSTGRES_HOST'),
+      port: configService.get<number>('POSTGRES_PORT'),
+      username: configService.get<string>('POSTGRES_USER'),
+      password: configService.get<string>('POSTGRES_PASSWORD'),
+      database: configService.get<string>('POSTGRES_DB'),
       entities: [__dirname + '/../../**/entities/*.entity.{js,ts}'],
       synchronize: true,
     };