# syntax=docker.io/docker/dockerfile:1

# 升级到 Node.js v20 或更高版本，以解决 `ReferenceError: File is not defined` 问题
# 参考链接：https://github.com/vercel/next.js/discussions/56032
FROM dockerp.com/node:22-alpine AS base

# 仅在需要时安装依赖
FROM base AS deps
# 查看 https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine 了解为什么可能需要安装 libc6-compat。
RUN sed -i 's#https\?://dl-cdn.alpinelinux.org/alpine#https://mirror.nju.edu.cn/alpine#g' /etc/apk/repositories && apk add --no-cache libc6-compat
WORKDIR /app

# 在安装依赖前复制 prisma 目录
COPY prisma ./prisma

# 根据使用的包管理工具安装依赖
COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* bun.lock* .npmrc* ./
RUN \
    if [ -f yarn.lock ]; then yarn config set registry https://registry.npmmirror.com && yarn --frozen-lockfile; \
    elif [ -f package-lock.json ]; then npm config set registry https://registry.npmmirror.com && npm ci; \
    elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm config set registry https://registry.npmmirror.com && pnpm i --frozen-lockfile; \
    elif [ -f bun.lock ] || [ -f bun.lockb ]; then npm config set registry https://registry.npmmirror.com && npm install -g bun && printf '[install]\nregistry = "https://registry.npmmirror.com/"\n' > bunfig.toml && bun install --frozen-lockfile; \
    else echo "未找到锁文件。" && exit 1; \
    fi

# 仅在需要时重新构建源代码
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Next.js 会收集完全匿名的遥测数据，以了解一般使用情况。
# 了解更多信息：https://nextjs.org/telemetry
# 如果希望在构建时禁用遥测功能，请取消注释以下行。
ENV NEXT_TELEMETRY_DISABLED=1

RUN \
    if [ -f yarn.lock ]; then yarn config set registry https://registry.npmmirror.com && yarn --frozen-lockfile; \
    elif [ -f package-lock.json ]; then npm config set registry https://registry.npmmirror.com && npm ci; \
    elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm config set registry https://registry.npmmirror.com && pnpm i --frozen-lockfile; \
    elif [ -f bun.lock ] || [ -f bun.lockb ]; then npm config set registry https://registry.npmmirror.com && npm install -g bun && printf '[install]\nregistry = "https://registry.npmmirror.com/"\n' > bunfig.toml && bun run build; \
    else echo "未找到锁文件。" && exit 1; \
    fi

# 生产环境镜像，复制所有文件并运行 Next.js
FROM base AS runner
WORKDIR /app

# 安装 curl 工具，以确保健康检查正常运行
RUN sed -i 's#https\?://dl-cdn.alpinelinux.org/alpine#https://mirror.nju.edu.cn/alpine#g' /etc/apk/repositories && apk add --no-cache curl

ENV NODE_ENV=production
# 如果希望在运行时禁用遥测功能，请取消注释以下行。
ENV NEXT_TELEMETRY_DISABLED=1

COPY --from=builder /app/public ./public

# 自动利用输出跟踪功能以减少镜像大小
# 参考：https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER root

EXPOSE 3000

ENV PORT=3000

# server.js 由 next build 在 standalone 输出模式下创建
# 参考：https://nextjs.org/docs/pages/api-reference/config/next-config-js/output
ENV HOSTNAME="0.0.0.0"
CMD ["node", "server.js"]