# ============================
# 1) BUILD STAGE
# ============================
FROM node:18-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm install

COPY . .
RUN npm run build

# ============================
# 2) RUNTIME STAGE (alpine)
# ============================
FROM node:18-alpine

WORKDIR /app

COPY --from=builder /app /app

ENV NODE_ENV=production

EXPOSE 3000

CMD ["node", "dist/server/entry.mjs"]