change docker image build path

molecule_docker/driver.py

@@ -58,6 +58,7 @@ class Docker(Driver):
             image: image_name:tag
             dockerfile: Dockerfile.j2
             pull: True|False
+            path: /path/to_docker/build/context
             pre_build_image: True|False
             registry:
               url: registry.example.com

molecule_docker/playbooks/create.yml

@@ -40,7 +40,7 @@
           {%- else -%}
           {{ playbook_dir + '/Dockerfile.j2' }}
           {%- endif -%}
-        dest: "{{ molecule_ephemeral_directory }}/Dockerfile_{{ item.image | regex_replace('[^a-zA-Z0-9_]', '_') }}"
+        dest: "{{ item.path | default(molecule_scenario_directory) }}/Dockerfile_{{ item.image | regex_replace('[^a-zA-Z0-9_]', '_') }}"
         mode: "0600"
       loop: "{{ molecule_yml.platforms }}"
       loop_control:
@@ -67,7 +67,7 @@
         - not item.item.pre_build_image | default(false)
       docker_image:
         build:
-          path: "{{ molecule_ephemeral_directory }}"
+          path: "{{ item.item.path | default(molecule_scenario_directory) }}"
           dockerfile: "{{ item.invocation.module_args.dest }}"
           pull: "{{ item.item.pull | default(true) }}"
           network: "{{ item.item.network_mode | default(omit) }}"