Update Dockerfile

Dockerfile

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+# 使用 PostgreSQL 作为基础镜像
+FROM postgres:15
+
+# 设置构建时变量，确保为每个变量提供默认值
+ARG DUMP_URL=""
+ARG DUMP_PASSWORD=""
+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 PYTHON_PACKAGES="requirements.txt"
+ARG NODE_PACKAGES="package.json"
+ARG WEBDAV_URL="https://cfr2.n8n.us.kg/"
+ARG WEBDAV_USER="your_username"
+ARG WEBDAV_PASSWORD="your_password"
+
+# 设置环境变量
+ENV POSTGRES_USER=${POSTGRES_USER} \
+    POSTGRES_PASSWORD=${POSTGRES_PASSWORD} \
+    POSTGRES_DB=${POSTGRES_DB} \
+    WEBHOOK_URL=${WEBHOOK_URL} \
+    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=$WORKDIR/venv \
+    ENV WEBDAV_URL=${WEBDAV_URL} \
+    WEBDAV_USER=${WEBDAV_USER} \
+    WEBDAV_PASSWORD=${WEBDAV_PASSWORD} \
+    PATH="$WORKDIR/venv/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH"
+
+# 安装必要的软件包、Node.js，Python，并设置时区，清理apt缓存以减少镜像大小
+RUN apt-get update && apt-get install -y \
+    curl unzip gnupg build-essential sudo vim git procps lsof net-tools \
+    ca-certificates openssl tzdata python3 python3-venv python3-pip gosu \
+    htop jq wget lftp cron && \
+    curl -fsSL https://deb.nodesource.com/setup_${NODEJS_VER}.x | bash - && \
+    apt-get install -y nodejs && \
+    ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
+    dpkg-reconfigure --frontend noninteractive tzdata && \
+    curl https://rclone.org/install.sh | bash && \
+    apt-get clean && rm -rf /var/lib/apt/lists/* && \
+    python3 -m venv $VIRTUAL_ENV && \
+    $VIRTUAL_ENV/bin/pip install --upgrade pip && \
+    $VIRTUAL_ENV/bin/pip install -r ${PYTHON_PACKAGES} && \
+    npm install -g $(cat ${NODE_PACKAGES})
+
+# 设置工作目录并复制脚本
+WORKDIR ${WORKDIR}
+COPY run.sh ${WORKDIR}/run.sh
+COPY import-db.sh ${WORKDIR}/import-db.sh
+COPY requirements.txt ${WORKDIR}/requirements.txt
+COPY package.json ${WORKDIR}/package.json
+COPY backup.sh ${WORKDIR}/backup.sh
+
+RUN chmod +x ${WORKDIR}/run.sh ${WORKDIR}/import-db.sh ${WORKDIR}/backup.sh
+
+# 更改 postgres 用户 UID 和 GID 为 1000，设置备份目录
+USER root
+RUN usermod -u 1000 postgres && groupmod -g 1000 postgres && \
+    chown -R postgres:postgres /var/lib/postgresql /var/run/postgresql ${WORKDIR} && \
+    mkdir -p ${WORKDIR}/backups && chmod -R 775 ${WORKDIR}/backups
+
+# 设置定期备份任务:每4小时运行一次备份任务
+RUN echo "0 */1 * * * /app/backup.sh" > /etc/cron.d/backup && \
+    chmod 0644 /etc/cron.d/backup && crontab /etc/cron.d/backup
+
+
+# 切换到 postgres 用户
+USER postgres
+
+# 分离 PostgreSQL 和 n8n 健康检查
+HEALTHCHECK --interval=120s --timeout=10s --start-period=10s --retries=3 \
+    CMD pg_isready || exit 1
+HEALTHCHECK --interval=120s --timeout=10s --start-period=10s --retries=3 \
+    CMD curl -f http://localhost:7860/HEALTHZ || exit 1
+
+# 暴露 n8n 服务端口
+EXPOSE 7860
+
+# 启动容器时执行 run.sh 脚本
+CMD ["./run.sh"]