Update Dockerfile

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+# 基础构建阶段：使用 Node.js 镜像并安装 Python3 和虚拟环境
+FROM node:20-slim AS builder
+
+# 设置构建时变量
+ARG REQUIREMENTS="requests yt-dlp"
+ARG PACKAGES="n8n"
+ARG WORKDIR=/app
+ARG RCLONE_VERSION=latest
+
+# 安装 Python3、venv 以及必要的系统工具
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    python3 \
+    python3-venv \
+    curl \
+    gnupg \
+    build-essential \
+    unzip \
+    && npm install -g ${PACKAGES} \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# 设置 Python 虚拟环境
+ENV VIRTUAL_ENV=/opt/venv
+RUN python3 -m venv $VIRTUAL_ENV \
+    && $VIRTUAL_ENV/bin/pip install --no-cache-dir --upgrade pip \
+    && $VIRTUAL_ENV/bin/pip install --no-cache-dir $REQUIREMENTS
+
+# 下载并安装 rclone
+RUN curl https://rclone.org/install.sh | bash
+
+# 主运行阶段：基于 PostgreSQL 镜像
+FROM postgres:15
+
+# 设置构建时变量
+ARG POSTGRES_USER=n8n
+ARG POSTGRES_PASSWORD=n8n
+ARG POSTGRES_DB=n8n
+ARG WEBHOOK_URL=https://aigenai-db.hf.space/
+ARG WORKDIR=/app
+ARG DB_IMPORT=no
+ARG NODEJS_VER=20
+ARG PACKAGES=n8n
+
+# 设置环境变量
+ENV DB_IMPORT=no
+ENV POSTGRES_USER=${POSTGRES_USER} \
+    POSTGRES_PASSWORD=${POSTGRES_PASSWORD} \
+    POSTGRES_DB=${POSTGRES_DB} \
+    WEBHOOK_URL=${WEBHOOK_URL} \
+    WORKDIR=${WORKDIR} \
+    DB_IMPORT=${DB_IMPORT} \
+    N8N_HOST=0.0.0.0 \
+    N8N_PORT=7860 \
+    N8N_PROTOCOL=https \
+    GENERIC_TIMEZONE=Asia/Shanghai \
+    N8N_METRICS=true \
+    QUEUE_HEALTH_CHECK_ACTIVE=true \
+    N8N_PAYLOAD_SIZE_MAX=256 \
+    DB_TYPE=postgresdb \
+    DB_POSTGRESDB_HOST=localhost \
+    DB_POSTGRESDB_PORT=5432 \
+    DB_POSTGRESDB_USER=${POSTGRES_USER} \
+    DB_POSTGRESDB_PASSWORD=${POSTGRES_PASSWORD} \
+    DB_POSTGRESDB_DATABASE=${POSTGRES_DB} \
+    VIRTUAL_ENV=/opt/venv \
+    PATH="$VIRTUAL_ENV/bin:/usr/local/lib/node_modules/n8n/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH"
+
+# 复制构建阶段的 Node.js、n8n、Python 运行环境和 rclone
+COPY --from=builder /usr/local/bin/node /usr/local/bin/
+COPY --from=builder /usr/local/lib/node_modules /usr/local/lib/node_modules
+COPY --from=builder $VIRTUAL_ENV $VIRTUAL_ENV
+COPY --from=builder /usr/bin/rclone /usr/bin/rclone
+
+# 安装必要的软件包并设置时区
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl \
+    unzip \
+    gnupg \
+    build-essential \
+    sudo \
+    vim \
+    git \
+    procps \
+    lsof \
+    net-tools \
+    ca-certificates \
+    openssl \
+    tzdata \
+    python3 \
+    htop \
+    jq \
+    wget \
+    gosu \
+    && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && echo "Asia/Shanghai" > /etc/timezone \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# 设置工作目录并复制启动脚本
+WORKDIR ${WORKDIR}
+COPY run.sh ${WORKDIR}/run.sh
+COPY import-db.sh /docker-entrypoint-initdb.d/
+RUN chmod +x ${WORKDIR}/run.sh /docker-entrypoint-initdb.d/import-db.sh
+
+# 设置 POSTGRES_USER 的 UID 为 1000
+RUN usermod -u 1000 ${POSTGRES_USER} \
+    && groupmod -g 1000 ${POSTGRES_USER} \
+    && chown -R ${POSTGRES_USER}:${POSTGRES_USER} /var/lib/postgresql \
+    && chown -R ${POSTGRES_USER}:${POSTGRES_USER} /var/run/postgresql \
+    && chown -R ${POSTGRES_USER}:${POSTGRES_USER} ${WORKDIR} \
+    && mkdir -p ${WORKDIR}/backups \
+    && chown -R ${POSTGRES_USER}:${POSTGRES_USER} ${WORKDIR}/backups \
+    && chmod -R 775 ${WORKDIR}/backups
+
+# 设置 POSTGRES_USER 的 shell 为 bash
+RUN chsh -s /bin/bash ${POSTGRES_USER}
+
+# 健康检查配置
+HEALTHCHECK --interval=120s --timeout=10s --start-period=10s --retries=3 \
+    CMD curl -f http://localhost:7860/HEALTHZ || exit 1
+
+# 暴露 n8n 端口
+EXPOSE 7860
+
+# 切换到 POSTGRES_USER
+USER ${POSTGRES_USER}
+
+# 启动容器时执行 run.sh 脚本
+CMD ["./run.sh"]