Closes #69. Implemented and tested memcached.

.env.example

@@ -12,6 +12,9 @@ DB_PASSWORD=database_user_password
 # Cache and session
 CACHE_DRIVER=file
 SESSION_DRIVER=file
+# If using Memcached, comment the above and uncomment these
+#CACHE_DRIVER=memcached
+#SESSION_DRIVER=memcached
 QUEUE_DRIVER=sync
 
 # Storage
@@ -54,3 +57,8 @@ MAIL_PORT=1025
 MAIL_USERNAME=null
 MAIL_PASSWORD=null
 MAIL_ENCRYPTION=null
+
+# Memcached settings
+#MEMCACHED_HOST=127.0.0.1
+# If using a UNIX socket path for the host, set the port to 0
+#MEMCACHED_PORT=11211

config/cache.php

@@ -51,7 +51,9 @@ return [
             'driver'  => 'memcached',
             'servers' => [
                 [
-                    'host' => '127.0.0.1', 'port' => 11211, 'weight' => 100,
+                    'host' => env('MEMCACHED_HOST', '127.0.0.1'),
+                    'port' => env('MEMCACHED_PORT', 11211),
+                    'weight' => 100,
                 ],
             ],
         ],