diff --git a/Dockerfile b/Dockerfile
index 68cca64..74269c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,11 @@
 FROM ubuntu:latest
-    
+
+# 更新並安裝必要的工具後清理暫存檔案以減小映像檔大小
+RUN apt update \
+    && apt install -y curl \
+    && apt clean \
+    && rm -rf /var/lib/apt/lists/*
+
 COPY entrypoint.sh /entrypoint.sh
 
 RUN chmod +x /entrypoint.sh