FROM node:22-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

# ---- Runner ----
FROM node:22-alpine AS runner

WORKDIR /app

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

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

# Standalone output
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

RUN mkdir -p /data && chown nextjs:nodejs /data

USER nextjs

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