More complete quick start (moodlehq#286)

* More complete quick start

* Clone to the correct directory

* Say /path/to/moodle

README.md

@@ -20,11 +20,15 @@ This repository contains Docker configuration aimed at Moodle developers and tes
 ## Quick start
 
 ```bash
-# Set up path to Moodle code
-export MOODLE_DOCKER_WWWROOT=/path/to/moodle/code
+# Change ./moodle to your /path/to/moodle if you already have it checked out
+export MOODLE_DOCKER_WWWROOT=./moodle
+
 # Choose a db server (Currently supported: pgsql, mariadb, mysql, mssql, oracle)
 export MOODLE_DOCKER_DB=pgsql
 
+# Get Moodle code, you could select another version branch (skip this if you already got the code)
+git clone -b MOODLE_403_STABLE git://git.moodle.org/moodle.git $MOODLE_DOCKER_WWWROOT
+
 # Ensure customized config.php for the Docker containers is in place
 cp config.docker-template.php $MOODLE_DOCKER_WWWROOT/config.php