FROM node:22-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --no-audit --no-fund

FROM node:22-alpine AS builder
WORKDIR /app
ENV NEXT_TELEMETRY_DISABLED=1
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

FROM node:22-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production \
    NEXT_TELEMETRY_DISABLED=1 \
    HOSTNAME=0.0.0.0 \
    PORT=80

RUN apk add --no-cache libcap wget \
    && addgroup --system --gid 1001 nodejs \
    && adduser --system --uid 1001 nextjs \
    && setcap 'cap_net_bind_service=+ep' /usr/local/bin/node

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 80
HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
  CMD wget -qO- http://127.0.0.1/api/health || exit 1

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