# ==========================================
# Stage 1: Install dependencies
# ==========================================
FROM node:20-alpine AS deps
WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm ci --legacy-peer-deps

# ==========================================
# Stage 2: Build the application
# ==========================================
FROM node:20-alpine AS builder
WORKDIR /app

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

ENV NEXT_TELEMETRY_DISABLED=1
ENV NEXT_PUBLIC_API_URL=

RUN npm run build

# ==========================================
# Stage 3: Production runner
# ==========================================
FROM node:20-alpine AS runner
WORKDIR /app

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

# Standalone output
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"]