diff --git a/Dockerfile b/Dockerfile
index 4c9e197..1243d7b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian/ stretch main contrib n
         echo "deb http://mirrors.tuna.tsinghua.edu.cn/debian-security/ stretch/updates main contrib non-free" >> /etc/apt/sources.list
 
 RUN apt-get update && \
-        apt-get install -y wget curl rsync lftp git jq python-dev python-pip yum-utils createrepo aria2
+        apt-get install -y wget curl rsync lftp git jq python-dev python-pip yum-utils createrepo aria2 awscli
 
 RUN pip3 install git+https://github.com/tuna/bandersnatch.git@master
         
diff --git a/s3.sh b/s3.sh
new file mode 100644
index 0000000..252d89f
--- /dev/null
+++ b/s3.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+[ ! -d "${TUNASYNC_WORKING_DIR}" ] && mkdir -p "${TUNASYNC_WORKING_DIR}"
+aws --no-sign-request --endpoint-url="${TUNASYNC_S3_ENDPOINT}" s3 sync "${TUNASYNC_UPSTREAM_URL}" "${TUNASYNC_WORKING_DIR}"
\ No newline at end of file