ci: IDC 서버 자동배포 파이프라인 구축

- Dockerfile: Turborepo 멀티스테이지 빌드 (Next.js standalone)
- docker-compose.prod.yml: PostgreSQL/Redis/Nginx/Web/Admin 프로덕션 스택
- deploy/poll-deploy.sh: cron 기반 자동배포 (매분 Gitea 폴링)
- deploy/nginx/default.conf: 리버스 프록시 설정
- next.config.ts: output standalone 추가
- .env.production.example: 환경변수 템플릿

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,56 @@
+# ============================================
+# Re:Link Turborepo Multi-stage Dockerfile
+# Usage: docker build --build-arg APP_NAME=web .
+# ============================================
+
+# --- Stage 1: Base ---
+FROM node:20-alpine AS base
+RUN apk add --no-cache libc6-compat
+RUN corepack enable && corepack prepare pnpm@8.10.0 --activate
+WORKDIR /app
+
+# --- Stage 2: Install & Build ---
+FROM base AS builder
+ARG APP_NAME=web
+
+# Copy workspace config first for better caching
+COPY pnpm-lock.yaml pnpm-workspace.yaml package.json turbo.json ./
+COPY apps/web/package.json ./apps/web/
+COPY apps/admin/package.json ./apps/admin/
+COPY packages/shared/package.json ./packages/shared/
+COPY packages/domain/package.json ./packages/domain/
+COPY packages/application/package.json ./packages/application/
+COPY packages/infrastructure/package.json ./packages/infrastructure/
+COPY packages/database/package.json ./packages/database/
+COPY packages/analytics/package.json ./packages/analytics/
+COPY packages/ui/package.json ./packages/ui/
+
+RUN pnpm install --frozen-lockfile
+
+# Copy all source code
+COPY . .
+
+# Generate Prisma client & build
+RUN pnpm --filter @relink/database prisma generate
+RUN pnpm turbo run build --filter=@relink/${APP_NAME}
+
+# --- Stage 3: Runner ---
+FROM node:20-alpine AS runner
+ARG APP_NAME=web
+ENV NODE_ENV=production
+ENV APP_NAME=${APP_NAME}
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+WORKDIR /app
+
+COPY --from=builder /app/apps/${APP_NAME}/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/apps/${APP_NAME}/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/apps/${APP_NAME}/.next/static ./apps/${APP_NAME}/.next/static
+
+USER nextjs
+EXPOSE 3000
+
+ENV HOSTNAME="0.0.0.0"
+ENV PORT=3000
+CMD ["sh", "-c", "node apps/${APP_NAME}/server.js"]