Merge pull request 'feat: 安裝 coreutils 讓腳本可以執行 date 指令' (#7) from develop into master

Reviewed-on: #7

Dockerfile

@@ -1,11 +1,8 @@
-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/*
+FROM alpine:latest
 
+# 安裝必要的工具
+RUN apk add --no-cache --no-check-certificate bash curl coreutils
+    
 COPY entrypoint.sh /entrypoint.sh
 
 RUN chmod +x /entrypoint.sh