using run instead of exec

It is more in line with the other commands we run earlier. Shouldn't have any negative effects right?

Author: peterrus

docs/docker-compose.md

@@ -48,15 +48,15 @@ docker-compose logs -f
 ```bash
 export CLIENTNAME="your_client_name"
 # with a passphrase (recommended)
-docker-compose exec openvpn easyrsa build-client-full $CLIENTNAME
+docker-compose run --rm openvpn easyrsa build-client-full $CLIENTNAME
 # without a passphrase (not recommended)
-docker-compose exec openvpn easyrsa build-client-full $CLIENTNAME nopass
+docker-compose run --rm openvpn easyrsa build-client-full $CLIENTNAME nopass
 ```
 
 * Retrieve the client configuration with embedded certificates
 
 ```bash
-docker-compose exec openvpn ovpn_getclient $CLIENTNAME > $CLIENTNAME.ovpn
+docker-compose run --rm openvpn ovpn_getclient $CLIENTNAME > $CLIENTNAME.ovpn
 ```
 
 ## Debugging Tips