diff --git a/misc/docker/README.md b/misc/docker/README.md
new file mode 100644
index 000000000..87dd8713f
--- /dev/null
+++ b/misc/docker/README.md
@@ -0,0 +1,10 @@
+To update https://hub.docker.com/r/nixos/nix/
+
+    $ docker build .
+    $ docker image ls
+    $ docker tag <hash> nixos/nix:2.0
+    $ docker tag <hash> nixos/nix:latest
+    $ docker push nixos/nix:latest
+    $ docker push nixos/nix:2.0
+
+Write access: @domenkozar