# CYD Flasher — production image (Next.js standalone)
FROM node:20-bookworm-slim AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm install

FROM node:20-bookworm-slim AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN mkdir -p public
ENV NEXT_TELEMETRY_DISABLED=1
ARG NEXT_PUBLIC_SITE_URL=https://cyd.smallzhiyuns.com
ENV NEXT_PUBLIC_SITE_URL=$NEXT_PUBLIC_SITE_URL
RUN npm run build

FROM node:20-bookworm-slim AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3000
ENV HOSTNAME=0.0.0.0
ENV NEXT_PUBLIC_SITE_URL=https://cyd.smallzhiyuns.com
ENV CYD_FIRMWARE_ROOT=/app/firmware

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
COPY --chown=nextjs:nodejs firmware ./firmware

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