diff --git a/Dockerfile b/Dockerfile
index 10b2920..78632eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,15 +2,16 @@
 FROM node:20-bookworm AS builder
 WORKDIR /app
 COPY package*.json ./
-RUN npm install --legacy-peer-deps
+RUN corepack enable && corepack prepare pnpm@10.27.0 --activate
+RUN pnpm install --frozen-lockfile
 
 COPY . .
-RUN npm run build
+RUN pnpm run build
 
 # Runtime
 FROM node:20-slim AS runner
 WORKDIR /app
-COPY --from=builder /app/.output ./.output
+COPY --from=builder /app/.output ./.output /app/server ./server
 COPY package*.json ./
 EXPOSE 3000
 CMD ["node", ".output/server/index.mjs"]