diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..7396c8c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,7 @@
+# syntax=docker/dockerfile:1
+
+FROM focs.ji.sjtu.edu.cn:5000/gitea/runner-images:ubuntu-latest
+
+# TODO: install joj3 & other binarys
+# TODO: install joint-teapot
+# TODO: install elf