# ---- مرحله build ----
FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm install --legacy-peer-deps

COPY . .

ENV NODE_ENV=production

RUN npm run build

# ---- مرحله runtime ----
FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production

# فقط فایل‌های لازم
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
COPY --from=builder /app/package*.json ./

RUN npm install --omit=dev --legacy-peer-deps

EXPOSE 3000

CMD ["npm", "start"]