chore: establish development baseline

deployments/backup-script.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+# PostgreSQL 自动备份脚本
+
+set -e
+
+BACKUP_DIR="/backups"
+DATE=$(date +%Y%m%d_%H%M%S)
+BACKUP_FILE="$BACKUP_DIR/backup_$DATE.sql.gz"
+
+echo "开始备份 PostgreSQL 数据库：$DATE"
+
+# 创建备份目录
+mkdir -p $BACKUP_DIR
+
+# 执行备份
+PGPASSWORD=$POSTGRES_PASSWORD pg_dump \
+  -h $POSTGRES_HOST \
+  -U $POSTGRES_USER \
+  -d $POSTGRES_DB \
+  --no-owner \
+  --no-acl \
+  | gzip > $BACKUP_FILE
+
+# 检查备份是否成功
+if [ -f "$BACKUP_FILE" ]; then
+  BACKUP_SIZE=$(du -h "$BACKUP_FILE" | cut -f1)
+  echo "备份完成：$BACKUP_FILE (大小: $BACKUP_SIZE)"
+else
+  echo "备份失败！"
+  exit 1
+fi
+
+# 删除 30 天前的备份
+find $BACKUP_DIR -name "backup_*.sql.gz" -mtime +30 -delete
+echo "已清理 30 天前的备份文件"
+
+echo "备份任务完成"