# Multi-stage Dockerfile for Next.js + Payload CMS with PostgreSQL
# Requires `output: 'standalone'` in next.config.ts

FROM node:22-alpine AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

COPY package.json pnpm-lock.yaml* ./
RUN corepack enable && corepack prepare pnpm@9.0.0 --activate && pnpm install --frozen-lockfile

FROM deps AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

RUN pnpm build

FROM node:22-alpine AS runner
WORKDIR /app

ENV NODE_ENV production

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

RUN mkdir .next
RUN chown nextjs:nodejs .next

COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder --chown=nextjs:nodejs /app/public ./public

USER nextjs

EXPOSE 3000
ENV PORT 3000
ENV HOSTNAME="0.0.0.0"

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