# Étape 1 : Dépendances
FROM node:22-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci

# Étape 2 : Build Next.js (Standalone)
FROM node:22-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
RUN npm run build

# Étape 3 : Image d'exécution ultra-légère pour Intel Core i3 / 8 Go RAM
FROM node:22-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs

COPY --from=builder /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Dossier persistant pour data.json
RUN mkdir -p /app/data && chown -R nextjs:nodejs /app/data
VOLUME ["/app/data"]

USER nextjs

EXPOSE 3000

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