# ---- Deps Stage ----
FROM docker.m.daocloud.io/node:20-alpine AS deps

RUN npm config set registry https://registry.npmmirror.com

WORKDIR /app
COPY package*.json ./
RUN npm ci

# ---- Build Stage ----
FROM docker.m.daocloud.io/node:20-alpine AS builder

WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
RUN npm run build

# ---- Runtime Stage ----
FROM docker.m.daocloud.io/node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3000
ENV HOSTNAME=0.0.0.0

RUN addgroup -g 1001 -S nodejs && adduser -S nextjs -u 1001

# Standalone output bundles minimal node_modules + server.js
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

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