diff --git a/Dockerfile b/Dockerfile
index 33e7257..3c54412 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,12 +2,13 @@ FROM node:22-alpine
 
 VOLUME /app/storage
 WORKDIR /app
-COPY . .
 
 RUN  apk add --no-cache bash ffmpeg imagemagick tzdata \
   && cp /usr/share/zoneinfo/Asia/Tokyo /etc/localtime \
   && apk del --purge tzdata
 
+COPY . .
+
 RUN npm install -g npm@latest \
  && (cd client && npm ci && npm run build) \
  && (cd server && npm ci && npm run build)