fix: missing aliyun CLI installation process in backend Dockerfile

Dockerfile.backend

@@ -1,4 +1,4 @@
-FROM oven/bun
+FROM oven/bun:1.2.8-debian
 
 WORKDIR /app
 
@@ -6,6 +6,12 @@ COPY ./packages/core ./core
 
 COPY ./packages/backend/package.json ./packages/backend/bun.lock ./backend/
 
+RUN apt update && apt install -y curl
+
+RUN ln -s /bin/uname /usr/bin/uname
+
+RUN /bin/bash -c "$(curl -fsSL https://aliyuncli.alicdn.com/install.sh)"
+
 WORKDIR backend
 
 RUN bun install