From d0a1c3dce5f3f1d3d7430b264003639c06f5f90c Mon Sep 17 00:00:00 2001
From: houhuan <houhuanya@gmail.com>
Date: Thu, 14 May 2026 01:25:06 +0800
Subject: [PATCH] fix: add python3-tk to Docker image for tkinter dependency

---
 Dockerfile.backend | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Dockerfile.backend b/Dockerfile.backend
index 8968392..10e7423 100644
--- a/Dockerfile.backend
+++ b/Dockerfile.backend
@@ -2,9 +2,10 @@ FROM python:3.11-slim
 
 WORKDIR /app
 
-# Install system dependencies
+# Install system dependencies (tkinter needed by app/core processing)
 RUN apt-get update && apt-get install -y --no-install-recommends \
     gcc \
+    python3-tk \
     && rm -rf /var/lib/apt/lists/*
 
 # Install Python dependencies