From 237704fef8bff2d10a1a275ba7c5fa0f74d28761 Mon Sep 17 00:00:00 2001
From: Color2333 <1552429809@qq.com>
Date: Sat, 10 Oct 2026 12:37:31 +0800
Subject: [PATCH] =?UTF-8?q?ops(deploy):=20=E6=9E=84=E5=BB=BA=E5=89=8D?=
 =?UTF-8?q?=E8=87=AA=E5=8A=A8=20prune=EF=BC=88builder=20cache=20+=20?=
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---
 scripts/auto_deploy.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/auto_deploy.sh b/scripts/auto_deploy.sh
index 51d0f41..0ec1935 100755
--- a/scripts/auto_deploy.sh
+++ b/scripts/auto_deploy.sh
@@ -85,6 +85,11 @@ rsync -a --delete \
 log "代码已更新"
 
 # 6. 重建 + 重启
+# 构建前自动清理：build cache + 悬空镜像（40G 盘三次 100% 打满实证）
+docker builder prune -f >/dev/null 2>&1 || true
+docker image prune -f >/dev/null 2>&1 || true
+log "构建前 prune 完成"
+
 log "docker compose build..."
 if ! docker compose build 2>&1 | tee -a "$LOG_FILE" | tail -5; then
     log "FAIL: 构建失败，保留旧 SHA (下次重试)"