automatically update INTERNAL_IPS (#600)

* change local config to automatically update INTERNAL_IPS when developping with docker

* Update local.py

Move import to top

* Update local.py

Bug fix and remove blank line

* Update local.py

* flake8 compliance

* add env var check before updating INTERNAL_IPS

* flake8 compliance

* flake8 compliance

{{cookiecutter.project_slug}}/config/settings/local.py

@@ -9,6 +9,8 @@ Local settings
 """
 
 from .common import *  # noqa
+import socket
+import os
 
 # DEBUG
 # ------------------------------------------------------------------------------
@@ -47,7 +49,11 @@ CACHES = {
 MIDDLEWARE_CLASSES += ('debug_toolbar.middleware.DebugToolbarMiddleware',)
 INSTALLED_APPS += ('debug_toolbar', )
 
-INTERNAL_IPS = ('127.0.0.1', '10.0.2.2',)
+INTERNAL_IPS = ['127.0.0.1', '10.0.2.2', ]
+# tricks to have debug toolbar when developing with docker
+if os.environ.get('USE_DOCKER') == 'yes':
+    ip = socket.gethostbyname(socket.gethostname())
+    INTERNAL_IPS += [ip[:-1]+"1"]
 
 DEBUG_TOOLBAR_CONFIG = {
     'DISABLE_PANELS': [

{{cookiecutter.project_slug}}/dev.yml

@@ -22,6 +22,7 @@ services:
       - postgres
     environment:
       - POSTGRES_USER={{cookiecutter.project_slug}}
+      - USE_DOCKER=yes
     volumes:
       - .:/app
     ports: