update dockerfile frontend for gitops

frontend/Dockerfile

@@ -1,19 +1,23 @@
 FROM node:18-alpine
 
+# Set working directory
 WORKDIR /app
 
-# Copy package files & install deps
+# Copy package.json & package-lock.json (kalau ada)
 COPY package*.json ./
-RUN npm ci --only=production
+
+# Install dependencies production-only
+RUN npm install --only=production
 
 # Copy source code
 COPY . .
 
-# 🔒 non-root user (aman di Kubernetes)
+# Ubah kepemilikan agar aman di Kubernetes
 RUN chown -R node:node /app
 USER node
 
+# Expose port 3000
 EXPOSE 3000
 
-# Jalankan React dev server / Express tergantung project kamu
+# Jalankan app
 CMD ["npm", "start"]