Switch editing instructions from vim to nano and use kbd for keys

content/en/3.serveex/2.core/2.docker.md

@@ -78,13 +78,13 @@ cd /docker
 sudo mkdir dockge
 ```
 
-Then create the `compose.yml` file in this folder using `vim`:
+Then create the `compose.yml` file in this folder using `nano`:
 
 ```sh
 cd /docker/dockge
-sudo vi compose.yml
+sudo nano compose.yml
 ```
-Press `i` to enter insert mode and paste the following:
+Paste the following:
 
 ```yaml
 ---
@@ -107,7 +107,7 @@ services:
       - DOCKGE_STACKS_DIR=/docker
 ```
 
-Press `Esc` and type `:x` to save and exit.
+Press :kbd{value="Ctrl+O"}, then :kbd{value="Enter"} to save, and :kbd{value="Ctrl+X"} to exit.
 
 To launch the container: