FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

# ── Runtime ──────────────────────────────────────────
FROM node:20-alpine AS runtime

WORKDIR /app

COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json

ENV HOST=0.0.0.0
ENV PORT=4321
ENV NODE_ENV=production

EXPOSE 4321

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