From bff17f2d4e28bfa00a49518357c0eb9fa5f3a75f Mon Sep 17 00:00:00 2001
From: yukaidi <yukaidi@duck.com>
Date: Fri, 29 May 2026 08:46:57 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20run.sh=20=E6=94=B9=E7=94=A8=20exec=20?=
 =?UTF-8?q?=E7=9B=B4=E6=8E=A5=E8=BF=90=E8=A1=8C=20Java=EF=BC=8C=E4=BF=AE?=
 =?UTF-8?q?=E5=A4=8D=20Docker=20=E4=B8=AD=20ShutdownHook=20=E5=A4=B1?=
 =?UTF-8?q?=E6=95=88?=
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原 nohup+tail-f 模式下，Docker SIGTERM 发给 tail 而非 Java 进程，
导致 ShutdownHook 永远不会触发，资源无法优雅关闭。
改为 exec 让 Java 成为 PID 1，正确接收信号。
同时支持通过 JVM_XMX/JVM_OPTS 环境变量自定义 JVM 参数。
---
 bin/run.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/bin/run.sh b/bin/run.sh
index 06e7c53..04c111c 100644
--- a/bin/run.sh
+++ b/bin/run.sh
@@ -1,6 +1,5 @@
 #!/bin/bash
 # set -x
 LAUNCH_JAR="netdisk-fast-download.jar"
-nohup java -Xmx512M -jar "$LAUNCH_JAR" "$@" >startup.log 2>&1 &
-tail -f startup.log
+exec java -Xmx${JVM_XMX:-512M} ${JVM_OPTS} -jar "$LAUNCH_JAR" "$@"