diff --git a/README.md b/README.md
index a85ad2f..825742d 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,10 @@
 ## Setup
 
 ```sh
-sudo apt install ansible
+sudo apt install ansible docker-ce
 ansible-playbook setup.yml
+docker context create --docker=host=ssh://ubuntu@beta.fogtype.com beta
+docker context create --docker=host=ssh://ubuntu@gamma.fogtype.com gamma
 ```
 
 詳しい構成は [setup.yml](setup.yml) を参照