diff --git a/Dockerfile b/Dockerfile
index 82d5b10..7f697a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ COPY src/ src
 COPY static/ static
 COPY package.json yarn.lock svelte.config.js tsconfig.json vite.config.ts ./
 
-RUN yarn
+RUN yarn --frozen-lockfile
 RUN yarn build
 
 FROM node:22-alpine3.20
@@ -14,9 +14,6 @@ FROM node:22-alpine3.20
 WORKDIR /opt/infra-map
 COPY --from=builder /app/build build
 
-COPY package.json .
-RUN yarn --production
-
 EXPOSE 3000
 ENV NODE_ENV=production