diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 2aa7a44..ebab83f 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -57,8 +57,7 @@ jobs:
           docker push $DOCKER_HUB_USERNAME/backend:latest
 
           cd ../ai
-          echo "OPENAI_API_KEY=${{ secrets.OPENAI_API_KEY }}" >> .env
-          docker build -t $DOCKER_HUB_USERNAME/ai:latest .
+          docker build --build-arg OPENAI_API_KEY="${{ secrets.OPENAI_API_KEY }}" -t $DOCKER_HUB_USERNAME/ai:latest .
           docker push $DOCKER_HUB_USERNAME/ai:latest
 
       # Backend 서비스 배포 (AWS Systems Manager 사용)
diff --git a/ai/Dockerfile b/ai/Dockerfile
index b46f7d9..73b5187 100644
--- a/ai/Dockerfile
+++ b/ai/Dockerfile
@@ -18,7 +18,8 @@ RUN pip install --no-cache-dir -r requirements.txt
 # 프로젝트 파일 복사
 COPY . .
 
-COPY .env .env
+ARG OPENAI_API_KEY
+ENV OPENAI_API_KEY=$OPENAI_API_KEY
 
 # 데이터 저장을 위한 디렉토리 생성
 RUN mkdir -p /app/data