# syntax=docker/dockerfile:1.7

# Build multi-stage Next.js 16 (App Router, Turbopack) en mode standalone.
# Image finale : node:22-alpine, ~150 MB, sans toolchain.

ARG NODE_VERSION=22-alpine

# ---------- deps ----------
FROM node:${NODE_VERSION} AS deps
WORKDIR /app
RUN apk add --no-cache libc6-compat
COPY package.json package-lock.json* ./
RUN if [ -f package-lock.json ]; then npm ci; else npm install; fi

# ---------- builder ----------
FROM node:${NODE_VERSION} AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
ENV NODE_OPTIONS=--max-old-space-size=4096
RUN npm run build

# ---------- runner ----------
FROM node:${NODE_VERSION} 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

# Le build standalone copie uniquement ce qui est nécessaire pour run.
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

# Scripts et migrations Drizzle (pour appliquer le schema au demarrage).
COPY --from=builder --chown=nextjs:nodejs /app/scripts ./scripts
COPY --from=builder --chown=nextjs:nodejs /app/lib/db/migrations ./lib/db/migrations
COPY --chown=nextjs:nodejs deploy/docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
RUN chmod +x /usr/local/bin/docker-entrypoint.sh

USER nextjs

EXPOSE 3000

# Healthcheck simple : la racine doit répondre.
HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
  CMD node -e "require('http').get('http://127.0.0.1:3000/', r => process.exit(r.statusCode < 500 ? 0 : 1)).on('error', () => process.exit(1))"

ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]