From 771c203ef42c890e3593fb528373028c2ec03ccc Mon Sep 17 00:00:00 2001
From: jason-cts <jason.tseng@ctsystem.com>
Date: Thu, 2 Jul 2026 16:54:30 +0800
Subject: [PATCH] fix: unexpected exit when adduser failed in vsftpd image

---
 images/vsftpd/entrypoint.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/images/vsftpd/entrypoint.sh b/images/vsftpd/entrypoint.sh
index e5cf38ba..4c51f132 100755
--- a/images/vsftpd/entrypoint.sh
+++ b/images/vsftpd/entrypoint.sh
@@ -13,7 +13,9 @@ if [ -z "$PASV_ADDRESS" ]; then
 fi
 
 if [ -e /run/secrets/$FTPUSER_PASSWORD_SECRET ]; then
-  adduser -u $FTPUSER_UID -s /bin/sh -g "ftp user" -D $FTPUSER_NAME
+  if ! id "$FTPUSER_NAME" >/dev/null 2>&1; then
+    adduser -u $FTPUSER_UID -s /bin/sh -g "ftp user" -D $FTPUSER_NAME
+  fi
   echo "$FTPUSER_NAME:$(cat /run/secrets/$FTPUSER_PASSWORD_SECRET)" \
     | chpasswd -e
 fi