# XYZ POS Frontend - Production Dockerfile (Next.js standalone)
FROM node:20-alpine AS base

# ---- Dependencies ----
FROM base AS deps
WORKDIR /app
COPY package*.json ./
RUN npm ci

# ---- Builder ----
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Build-time env (API URL baked into static assets)
ARG NEXT_PUBLIC_API_URL
ARG NEXT_PUBLIC_PRINT_SERVICE_URL
ARG NEXT_PUBLIC_PRINT_SERVICE_KEY
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
ENV NEXT_PUBLIC_PRINT_SERVICE_URL=${NEXT_PUBLIC_PRINT_SERVICE_URL:-http://127.0.0.1:9101}
ENV NEXT_PUBLIC_PRINT_SERVICE_KEY=${NEXT_PUBLIC_PRINT_SERVICE_KEY:-xyz-pos-local-token}

RUN npm run build

# ---- Runner ----
FROM base AS runner
ENV NODE_ENV=production

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

# Copy standalone output
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

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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