feat(docker): update optimized Dockerfile and compose for CN environment

Dockerfile.cn

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+# 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"]

compose.cn.yml

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+services:
+  judge4c:
+    build:
+      context: .
+      dockerfile: Dockerfile.cn
+    image: judge4c:latest
+    container_name: judge4c
+    restart: always
+    ports:
+      - "3000:3000"
+    networks:
+      - judge4c
+    depends_on:
+      postgres:
+        condition: service_healthy
+      lsp-c:
+        condition: service_healthy
+      lsp-cpp:
+        condition: service_healthy
+    healthcheck:
+      test: [ "CMD-SHELL", "curl --fail http://localhost:3000 || exit 1" ]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+      start_period: 10s
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+
+  lsp-c:
+    build:
+      context: ./docker/lsp/clangd
+      dockerfile: Dockerfile.cn
+    image: lsp-c:latest
+    container_name: lsp-c
+    restart: always
+    ports:
+      - "4594:3000"
+    networks:
+      - judge4c
+    healthcheck:
+      test: [ "CMD-SHELL", "nc -zv localhost 3000" ]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  lsp-cpp:
+    build:
+      context: ./docker/lsp/clangd
+      dockerfile: Dockerfile.cn
+    image: lsp-cpp:latest
+    container_name: lsp-cpp
+    restart: always
+    ports:
+      - "4595:3000"
+    networks:
+      - judge4c
+    healthcheck:
+      test: [ "CMD-SHELL", "nc -zv localhost 3000" ]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  postgres:
+    image: postgres:16-alpine
+    container_name: postgres
+    restart: always
+    environment:
+      - POSTGRES_USER=${POSTGRES_USER}
+      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - POSTGRES_DB=${POSTGRES_DB}
+    ports:
+      - "5432:5432"
+    networks:
+      - judge4c
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres -d postgres"]
+      interval: 5s
+      timeout: 2s
+      retries: 20
+
+networks:
+  judge4c:
+    name: judge4c

docker/lsp/clangd/Dockerfile.cn

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+FROM dockerp.com/alpine:latest AS builder
+
+RUN sed -i 's#https\?://dl-cdn.alpinelinux.org/alpine#https://mirror.nju.edu.cn/alpine#g' /etc/apk/repositories && apk add --no-cache git npm
+
+WORKDIR /app
+
+RUN git clone https://gh-proxy.com/github.com/wylieconlon/jsonrpc-ws-proxy.git
+
+WORKDIR /app/jsonrpc-ws-proxy
+
+COPY servers.yml .
+
+RUN npm config set registry https://repo.nju.edu.cn/repository/npm/ && npm install && npm run prepare
+
+FROM dockerp.com/alpine:latest
+
+RUN sed -i 's#https\?://dl-cdn.alpinelinux.org/alpine#https://mirror.nju.edu.cn/alpine#g' /etc/apk/repositories && apk add --no-cache build-base clang-extra-tools nodejs
+
+WORKDIR /app/jsonrpc-ws-proxy
+
+COPY --from=builder /app/jsonrpc-ws-proxy .
+
+EXPOSE 3000
+
+CMD ["node", "dist/server.js", "--port", "3000", "--languageServers", "servers.yml"]