init

Dockerfile

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+# ===============================
+# 极致最小化分步构建 Node 18 + Playwright
+# ===============================
+
+# -------------------------------
+# Stage 1: 构建层（安装依赖、Chromium）
+# -------------------------------
+FROM node:18-slim AS builder
+
+WORKDIR /app
+
+# 复制 package.json / package-lock.json
+COPY package*.json ./
+
+# 安装生产依赖（包含 Playwright）
+RUN npm install --omit=dev && npm cache clean --force
+
+# 复制自定义中文字体并刷新缓存
+COPY ./fonts/* /usr/share/fonts/
+RUN apt update && \
+    apt install -y --no-install-recommends fontconfig && \
+    fc-cache -fv && \
+    rm -rf /var/lib/apt/lists/*
+
+# 安装 Playwright Chromium headless
+RUN npx playwright install chromium --only-shell
+
+# 复制应用代码
+COPY server.js ./
+
+# -------------------------------
+# Stage 2: 运行层（最终镜像）
+# -------------------------------
+FROM node:18-slim AS runtime
+
+WORKDIR /app
+
+# 安装依赖，其中lib开头的，是 playwright 需要的依赖。不同版本可能不一样
+RUN apt update && \
+    apt install -y --no-install-recommends  \
+    fontconfig \
+    libglib2.0-0 \
+    libnspr4 \
+    libnss3 \
+    libdbus-1-3 \
+    libatk1.0-0 \
+    libatk-bridge2.0-0 \
+    libatspi2.0-0 \
+    libx11-6 \
+    libxcomposite1 \
+    libxdamage1 \
+    libxext6 \
+    libxfixes3 \
+    libxrandr2 \
+    libgbm1 \
+    libxcb1 \
+    libxkbcommon0 \
+    libasound2 && \
+    rm -rf /var/lib/apt/lists/*
+
+# 复制字体
+COPY --from=builder /usr/share/fonts/ /usr/share/fonts/
+RUN fc-cache -fv
+
+# 复制 package.json 和 node_modules（包含 Playwright 及依赖）
+COPY --from=builder /app/package.json /app/package.json
+COPY --from=builder /app/node_modules /app/node_modules
+
+# 复制应用代码
+COPY --from=builder /app/server.js ./
+
+# 复制 Playwright Chromium 缓存
+COPY --from=builder /root/.cache/ms-playwright /root/.cache/ms-playwright
+
+# 暴露端口
+EXPOSE 3000
+
+# 启动应用
+CMD ["npm", "start"]