# --- Stage 1: Dependencies ---
FROM node:20-slim AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci

# --- Stage 2: Build ---
FROM node:20-slim AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
ENV TAILWIND_DISABLE_OXIDE=1
ARG NEXT_PUBLIC_SUPABASE_URL=https://placeholder.supabase.co
ARG NEXT_PUBLIC_SUPABASE_ANON_KEY=placeholder-key
ARG SUPABASE_SERVICE_ROLE_KEY=placeholder-service-key
ENV NEXT_PUBLIC_SUPABASE_URL=$NEXT_PUBLIC_SUPABASE_URL
ENV NEXT_PUBLIC_SUPABASE_ANON_KEY=$NEXT_PUBLIC_SUPABASE_ANON_KEY
ENV SUPABASE_SERVICE_ROLE_KEY=$SUPABASE_SERVICE_ROLE_KEY
RUN npm run build

# --- Stage 3: Production ---
FROM node:20-slim AS runtime
WORKDIR /app

RUN groupadd -r app && useradd -r -g app -d /app app

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

USER app

EXPOSE 3000

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

HEALTHCHECK --interval=30s --timeout=5s --start-period=30s --retries=3 \
  CMD node -e "const h=require('http');h.get('http://localhost:3000',(r)=>{process.exit(r.statusCode===200?0:1)}).on('error',()=>process.exit(1))"

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