初始化提交

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chenxin committed 2026-08-21 16:00:13 +08:00
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#!/bin/sh
# PostgreSQL 备份脚本:pg_dump 导出 + gzip 压缩 + 按天清理过期备份。
# 通过 infra.yml 的 hunjing-pg-backup 服务运行(profile: backup):
# docker compose -f docker/docker-compose.infra.yml --profile backup run --rm hunjing-pg-backup
# 备份产物落在项目根 backups/ 目录(已加入 .gitignore)。
set -eu
PGDATABASE="${PGDATABASE:-hunjing}"
PGHOST="${PGHOST:-hunjing-postgres}"
PGPORT="${PGPORT:-5432}"
mkdir -p /backups
TS=$(date +%Y%m%d-%H%M%S)
OUT="/backups/${PGDATABASE}-${TS}.sql.gz"
echo "[backup] 导出 ${PGDATABASE}@${PGHOST}:${PGPORT} -> ${OUT}"
pg_dump --no-owner --no-privileges | gzip > "$OUT"
# 清理过期备份
retain="${BACKUP_RETAIN_DAYS:-7}"
echo "[backup] 清理 ${retain} 天前的备份"
find /backups -name '*.sql.gz' -type f -mtime +"$retain" -delete 2>/dev/null || true
echo "[backup] 完成。当前备份列表:"
ls -lh /backups 2>/dev/null || true