Add docker entrypoint and env loader

docker/entrypoint.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+set -e
+
+if [ ! -f /var/www/html/kngil/vendor/autoload.php ]; then
+  php /var/www/html/kngil/composer.phar install --working-dir=/var/www/html/kngil --no-interaction --prefer-dist
+fi
+
+exec apache2-foreground