diff --git a/sync b/sync
new file mode 100755
index 0000000..d06aaa5
--- /dev/null
+++ b/sync
@@ -0,0 +1,16 @@
+apt-get install 'rsync'
+
+mkdir --parents ~/.ssh
+echo '${{secrets.cd}}' > ~/.ssh/id_ed25519
+chmod 400 ~/.ssh/id_ed25519
+
+ssh \
+-o StrictHostKeyChecking=accept-new \
+'cd@de.tilde.link' -- hostname
+
+rsync \
+--archive \
+--delete-before \
+--verbose \
+'out/' \
+"cd@de.tilde.link:/cd/${GITHUB_REF_NAME}/${GITHUB_REPOSITORY}/"