diff --git a/ubuntu/Dockerfile b/ubuntu/Dockerfile
new file mode 100644
index 0000000..8131857
--- /dev/null
+++ b/ubuntu/Dockerfile
@@ -0,0 +1,6 @@
+FROM docker.io/ubuntu:26.04
+
+ARG MIRROR=mirrors.aliyun.com
+
+RUN sed "s#archive.ubuntu.com#${MIRROR}#" /etc/apt/sources.list.d/ubuntu.sources -i && \
+    sed "s#security.ubuntu.com#${MIRROR}#" /etc/apt/sources.list.d/ubuntu.sources -i