# ── Étape de dépendances ────────────────────────────────────────
FROM node:20-alpine AS deps
RUN corepack enable
WORKDIR /app
COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
RUN pnpm install --frozen-lockfile

# ── Étape de build ─────────────────────────────────────────────
FROM node:20-alpine AS builder
RUN corepack enable
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
# Build de production ; la PWA (Serwist) génère public/sw.js ici
RUN pnpm build

# ── Étape d'exécution ──────────────────────────────────────────
FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV HOSTNAME=0.0.0.0
ENV PORT=3000

# .next/standalone auto-contain server.js, package.json…
COPY --from=builder /app/.next/standalone ./
# Assets statiques (CSS/JS optimisés) + public/ (manifest, icônes, sw.js)
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

EXPOSE 3000
CMD ["node", "server.js"]