# Gunakan base image yang lebih ringan
FROM node:18-alpine AS builder

# Set working directory
WORKDIR /app

# Copy package.json dan package-lock.json
COPY package*.json ./

# Install dependencies (termasuk dev) di stage build
RUN npm ci

# Copy semua source code
COPY . .

# Build React app (kalau ini frontend)
RUN npm run build


# ---------------------------
# Stage 2: image produksi
# ---------------------------
FROM node:18-alpine

WORKDIR /app

# Hanya copy file hasil build dari stage sebelumnya
COPY --from=builder /app/build ./build
COPY package*.json ./

# Install hanya dependency production
RUN npm ci --only=production && npm cache clean --force

# Ubah kepemilikan agar aman di Kubernetes
RUN chown -R node:node /app
USER node

# Expose port
EXPOSE 3000

# Jalankan app (gunakan serve untuk app React, atau npm start kalau Node server)
CMD ["npx", "serve", "-s", "build"]