use yarn

frontend/dockerfile

@@ -1,14 +1,26 @@
-FROM node:20-alpine as build-stage
+FROM node:22-alpine AS build-stage
 WORKDIR /app
-COPY package*.json ./
-RUN npm install --ignore-scripts=false --force
-COPY . .
-RUN npm run build
 
-FROM node:20-alpine as production-stage
+# Copy dependency files
+COPY package.json ./
+
+# Install dependencies
+RUN yarn install --frozen-lockfile
+
+# Copy source and build
+COPY . .
+RUN yarn build
+
+# ---- Production Stage ----
+FROM node:22-alpine AS production-stage
 WORKDIR /app
-RUN npm rebuild --verbose sharp
+
+# Copy only necessary files
 COPY --from=build-stage /app /app
-EXPOSE 3000
+
+# Set environment
 ENV NODE_ENV=production
-CMD ["npm", "run", "start"]
+EXPOSE 3000
+
+# Run with yarn
+CMD ["yarn", "start"]