# ─────────────────────────────────────────────────────────────
# Étape 1 — Installation des dépendances
# ─────────────────────────────────────────────────────────────
FROM node:20-alpine AS deps

RUN apk update && apk upgrade --no-cache && apk add --no-cache libc6-compat

WORKDIR /app

COPY package.json package-lock.json* ./

RUN npm ci


# ─────────────────────────────────────────────────────────────
# Étape 2 — Build de l'application
# ─────────────────────────────────────────────────────────────
FROM node:20-alpine AS builder

RUN apk update && apk upgrade --no-cache && apk add --no-cache libc6-compat

WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules
COPY . .

ARG NEXT_PUBLIC_SUPABASE_URL=https://placeholder.supabase.co
ARG NEXT_PUBLIC_SUPABASE_ANON_KEY=placeholder-anon-key-for-build-only

ENV NEXT_PUBLIC_SUPABASE_URL=$NEXT_PUBLIC_SUPABASE_URL \
    NEXT_PUBLIC_SUPABASE_ANON_KEY=$NEXT_PUBLIC_SUPABASE_ANON_KEY \
    NEXT_TELEMETRY_DISABLED=1 \
    NODE_ENV=production \
    NODE_OPTIONS="--max-old-space-size=2048"

RUN mkdir -p public

RUN echo "→ NEXT_PUBLIC_SUPABASE_URL = $NEXT_PUBLIC_SUPABASE_URL" && \
    npm run build


# ─────────────────────────────────────────────────────────────
# Étape 3 — Image de production minimale et durcie
# ─────────────────────────────────────────────────────────────
FROM node:20-alpine AS runner

RUN apk update && apk upgrade --no-cache

WORKDIR /app

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

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

USER nextjs

ENV NODE_ENV=production \
    NEXT_TELEMETRY_DISABLED=1 \
    PORT=3010 \
    HOSTNAME="0.0.0.0"

EXPOSE 3010


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