diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
deleted file mode 100644
index d5664c6..0000000
--- a/.github/workflows/deploy.yml
+++ /dev/null
@@ -1,95 +0,0 @@
-name: Deploy to EC2
-
-on:
-  pull_request:
-    types: [closed]
-    branches: [main, develop]
-
-jobs:
-  deploy:
-    if: github.event.pull_request.merged == true
-    runs-on: self-hosted
-    timeout-minutes: 10
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Deploy to EC2
-        run: |
-          set -e
-
-          # 배포 로깅
-          echo "🚀 Starting deployment..."
-          echo "📝 PR: #${{ github.event.pull_request.number }}"
-          echo "🔄 Commit: ${{ github.sha }}"
-
-          # 메모리 정리
-          echo "🧹 Cleaning up Docker resources..."
-          docker system prune -f
-
-          # 브랜치별 환경 설정
-          if [ "${{ github.event.pull_request.base.ref }}" = "main" ]; then
-            CONTAINER_NAME="app-prod"
-            ENV_FILE="app-prod.env"
-            OTHER_CONTAINER="app-dev"
-            echo "🚀 Deploying to PRODUCTION"
-          elif [ "${{ github.event.pull_request.base.ref }}" = "develop" ]; then
-            CONTAINER_NAME="app-dev"
-            ENV_FILE="app-dev.env"
-            OTHER_CONTAINER="app-prod"
-            echo "🧪 Deploying to DEVELOPMENT"
-          fi
-
-          # 배포 디렉토리 설정
-          DEPLOY_DIR="/home/ubuntu/coplan/app"
-
-          # 메모리 확보를 위해 다른 컨테이너 중지
-          echo "⏸️ Stopping other container to free memory..."
-          docker compose stop ${OTHER_CONTAINER} || true
-
-          # rsync로 파일 동기화
-          echo "📂 Synchronizing files..."
-          rsync -av \
-            --exclude='.git' \
-            --exclude='node_modules' \
-            --exclude='.next' \
-            --exclude='.env*' \
-            --exclude='*.log' \
-            --delete \
-            ./ ${DEPLOY_DIR}/
-
-          # 작업 디렉토리 이동
-          cd /home/ubuntu/coplan
-
-          # 환경변수 파일 복사 (있는 경우만)
-          if [ -f "/home/ubuntu/env/${ENV_FILE}" ]; then
-            echo "📋 Copying environment variables..."
-            cp "/home/ubuntu/env/${ENV_FILE}" "${DEPLOY_DIR}/.env.production"
-          fi
-
-          # Docker 이미지 빌드
-          echo "🔨 Building Docker image..."
-          DOCKER_BUILDKIT=1 docker compose build ${CONTAINER_NAME}
-
-          # 컨테이너 교체 (무중단 배포)
-          echo "🔄 Updating container..."
-          docker compose up -d --no-deps ${CONTAINER_NAME}
-
-          # 다른 컨테이너 재시작
-          echo "🔄 Restarting other container..."
-          docker compose up -d ${OTHER_CONTAINER}
-
-          # 헬스체크
-          echo "🏥 Health check..."
-          sleep 10
-
-          if docker ps | grep -q ${CONTAINER_NAME}; then
-            echo "✅ Container is running"
-            docker logs --tail 20 ${CONTAINER_NAME}
-          else
-            echo "❌ Container failed to start"
-            docker logs ${CONTAINER_NAME}
-            exit 1
-          fi
-
-          echo "✅ Deployment completed successfully!"
diff --git a/Dockerfile b/Dockerfile
index 3504ccf..563d61f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,28 +1,26 @@
-# 1단계: 모든 의존성 설치 (캐시용)
-FROM node:18-alpine AS deps
+FROM node:18-alpine AS base
+
+FROM base AS deps
 WORKDIR /app
 COPY package*.json ./
 RUN npm ci
 
-# 2단계: 빌드 (standalone 모드)
-FROM node:18-alpine AS builder
+FROM base AS builder
 WORKDIR /app
 COPY --from=deps /app/node_modules ./node_modules
 COPY . .
-
-# Next.js standalone 빌드 생성
 RUN npm run build
 
-# 3단계: 프로덕션 실행 환경
-FROM node:18-alpine AS runner
+FROM base AS runner
 WORKDIR /app
-ENV NODE_ENV production
+ENV NODE_ENV=production
 
 COPY --from=builder /app/.next/standalone ./
 COPY --from=builder /app/.next/static ./.next/static
 COPY --from=builder /app/public ./public
 
 EXPOSE 3000
-ENV PORT 3000
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
 
 CMD ["node", "server.js"]
\ No newline at end of file