# Stage 1: Fast dependencies using Bun
FROM oven/bun:alpine AS deps
WORKDIR /app
COPY package.json package-lock.json* ./
RUN bun install

# Stage 2: Fast builds using Bun
FROM oven/bun:alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN bun run build

# Stage 3: Stable production runtime using Node.js
FROM node:22-alpine AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV PORT=3004

# Next.js standalone requires libc6-compat on alpine
RUN apk add --no-cache libc6-compat
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 3004

# Run the Next.js server stably with Node
CMD ["node", "server.js"]