# Dockerfile for Next.js web frontend
FROM node:20-alpine AS base

WORKDIR /app

# Install dependencies
FROM base AS deps

COPY web/package*.json ./
RUN npm ci

# Build the application
FROM base AS builder

COPY --from=deps /app/node_modules ./node_modules
COPY web/ ./

ENV NEXT_TELEMETRY_DISABLED=1

RUN npm run build

# Production runner
FROM base AS runner

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

RUN addgroup --system --gid 1001 nodejs
RUN 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

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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