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# ===================================
# Stage 1: Dependencies
# ===================================
FROM node:20-alpine AS deps
WORKDIR /app
# pnpmのインストール
RUN corepack enable && corepack prepare pnpm@latest --activate
# パッケージマネージャーファイルをコピー
COPY package.json pnpm-lock.yaml* ./
# 依存関係のインストール
RUN pnpm install --frozen-lockfile
# ===================================
# Stage 2: Builder
# ===================================
FROM node:20-alpine AS builder
WORKDIR /app
# 依存関係を前のステージからコピー
COPY --from=deps /app/node_modules ./node_modules
COPY . .
# Next.jsのテレメトリーを無効化
ENV NEXT_TELEMETRY_DISABLED=1
# ビルド
RUN npm run build
# ===================================
# Stage 3: Runner
# ===================================
FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
# セキュリティのため非rootユーザーを作成
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs
# 全ファイルをコピー(カスタムサーバー使用のため)
COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
COPY --from=builder --chown=nextjs:nodejs /app/node_modules ./node_modules
COPY --from=builder /app/public ./public
COPY --from=builder /app/server.ts ./server.ts
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/next.config.mjs ./next.config.mjs
# tsxをnpmでグローバルインストール
RUN npm install -g tsx
EXPOSE 3000
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"
ENV NODE_ENV=production
# グローバルにインストールしたtsxで起動
CMD ["tsx", "server.ts"]