[Closes #3] Adds image_registry as a template variable

cookiecutter.json

@@ -5,7 +5,8 @@
   "project_name": "python_app",
   "project_slug": "{{ cookiecutter.project_name.lower().strip().replace(' ', '_').replace('-','_')}}",
   "initial_dependencies": "",
-  "description": "An templated Python project",
+  "description": "A templated Python project",
+  "image_registry": "registry.runcible.io",
   "open_source_license": [
     "MIT",
     "BSD-3-Clause",

{{cookiecutter.project_slug}}/.drone.yml

@@ -33,8 +33,8 @@ steps:
     password:
       from_secret: automate_password
     dockerfile: Dockerfile
-    registry: registry.runcible.io
+    registry: {{ cookiecutter.image_registry }}
-    repo: registry.runcible.io/{{ cookiecutter.project_slug }}
+    repo: {{ cookiecutter.image_registry }}/{{ cookiecutter.project_slug }}
     tags:
       - ${DRONE_COMMIT_SHA}
   when:

{{cookiecutter.project_slug}}/tasks.py

@@ -2,7 +2,7 @@ import os
 
 from invoke import task
 
-IMAGE_RESPOSITORY = os.environ.get("IMAGE_RESPOSITORY", "registry.runcible.io/{{ cookiecutter.project_slug }}")
+IMAGE_RESPOSITORY = os.environ.get("IMAGE_RESPOSITORY", "{{ cookiecutter.image_registry }}/{{ cookiecutter.project_slug }}")
 
 
 @task