Update Dockerfile

Author: ronggur

Dockerfile

@@ -31,12 +31,13 @@ RUN npm run build
 FROM node:22-alpine AS production
 ENV NODE_ENV=production
 WORKDIR /app
-# Copy built assets from build stage
+# Copy built assets and package files from build stage
 COPY --from=build /app/dist ./dist
 COPY --from=build /app/package.json ./package.json
+COPY --from=build /app/package-lock.json ./package-lock.json
 # Install only production dependencies
 RUN npm install --omit=dev --ignore-scripts
 # Expose production port
 EXPOSE 4321
-# Start production server
-CMD ["node", "./dist/server/entry.mjs"]
+# Start production server using Astro preview
+CMD ["npm", "run", "preview", "--", "--host"]