Update buehler to use new laravel installation.

buehler-tmp/docker-compose.yaml

@@ -13,7 +13,8 @@ services:
     image: docker buehler/laravel-tmp:latest
     container_name: buehler-laravel-app
     restart: always
-    links: db
+    links:
+      - db
     working_dir: /var/www
     networks:
       - proxy