diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..35ebed7
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "docker"]
+	path = docker
+	url = git@git.sp4ke.com:sp4ke/bit4sat-docker
diff --git a/docker b/docker
new file mode 160000
index 0000000..5982993
--- /dev/null
+++ b/docker
@@ -0,0 +1 @@
+Subproject commit 59829936cca04bc9c9b603d0140c2b6ff6f2de52