diff --git a/backend/.gitignore b/backend/.gitignore
index 2b2f1e6..74d7a64 100644
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -2,7 +2,6 @@
 # Dependencies
 # ==============================================
 /node_modules
-package-lock.json
 
 # ==============================================
 # Build Output
diff --git a/backend/Dockerfile b/backend/Dockerfile
index b9d781d..af7c365 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -7,9 +7,8 @@ RUN apk add --no-cache curl
 
 # 환경변수 설정
 ENV NODE_ENV=production
-ENV NODE_OPTIONS="--enable-source-maps"
 
-# package.json 복사
+# package.json만 먼저 복사
 COPY package*.json ./
 
 # 의존성 설치 (devDependencies 포함 - nest CLI 필요)