dify工作流备份

docker/dify/backup.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Dify docker backup script
+# 备份内容：
+#   1) Postgres 数据库 dify
+#   2) 整个 volumes/ 目录（包括插件、向量库等数据）
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+BACKUP_DIR="$SCRIPT_DIR/backups"
+TIMESTAMP="$(date +%Y%m%d_%H%M%S)"
+DB_FILE="$BACKUP_DIR/dify_db_${TIMESTAMP}.sql"
+VOL_FILE="$BACKUP_DIR/dify_volumes_${TIMESTAMP}.tar.gz"
+
+mkdir -p "$BACKUP_DIR"
+
+DB_USER="${POSTGRES_USER:-postgres}"
+DB_NAME="${POSTGRES_DB:-dify}"
+
+# 自动检测 db_postgres 容器名，匹配形如 "<project>-db_postgres-1"
+DB_CONTAINER="${DB_CONTAINER:-}"
+if [ -z "$DB_CONTAINER" ]; then
+  DB_CONTAINER="$(docker ps --format '{{.Names}}' | grep 'db_postgres-1$' | head -n1 || true)"
+fi
+
+if [ -z "$DB_CONTAINER" ]; then
+  echo "错误：未找到名称类似 '*-db_postgres-1' 的运行中容器，请确认 db_postgres 服务已启动。" >&2
+  exit 1
+fi
+
+echo "[1/2] 导出 Postgres 数据库 ${DB_NAME} (容器: ${DB_CONTAINER}) ..."
+
+docker exec -t "${DB_CONTAINER}" \
+  pg_dump -U "${DB_USER}" -d "${DB_NAME}" > "${DB_FILE}"
+
+echo "数据库已备份到: ${DB_FILE}"
+
+echo "[2/2] 打包 volumes/ 目录 ..."
+if [ ! -d "volumes" ]; then
+  echo "警告：当前目录下不存在 volumes/ 目录，跳过卷备份。" >&2
+else
+  tar czf "${VOL_FILE}" volumes/
+  echo "卷数据已打包到: ${VOL_FILE}"
+fi
+
+echo "备份完成。"