Use fabfile/Dockerfile to build Docker image

docker.py

@@ -129,7 +129,8 @@ def image_create():
         if '{}/drupal'.format(env.project_name) in docker_images():
             print(red('Docker image {}/drupal was found, you has already build this image'.format(env.project_name)))
         else:
-            local('docker build -t {}/drupal .'.format(env.project_name))
+            dockerfile = h.fab_path('Dockerfile')
+            local('docker build -t {}/drupal -f {} .'.format(env.project_name, dockerfile))
             print(green('Docker image {}/drupal was build successful'.format(env.project_name)))