sandbox: Add docker-compose file

This also updates the settings file to use the values from the environ

.editorconfig

@@ -0,0 +1,6 @@
+root = true
+
+[*.yml]
+indent = 2
+shift_wodth = 2
+

docker-compose.yml

@@ -0,0 +1,20 @@
+version: '2'
+
+services:
+    sandbox:
+        build: .
+        environment:
+            DATABASE_ENGINE: django.db.backends.postgresql
+            DATABASE_NAME: postgres
+            DATABASE_HOST: db
+            DATABASE_USER: postgres
+            DATABASE_PASSWORD: postgres
+        ports:
+            - 80:8080
+        links:
+            - db
+            - elasticsearch
+    db:
+        image: postgres:9.5
+    elasticsearch:
+        image: elasticsearch:1.7

sites/sandbox/settings.py

@@ -25,12 +25,12 @@ MANAGERS = ADMINS
 # Use a Sqlite database by default
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': location('db.sqlite'),
-        'USER': '',
-        'PASSWORD': '',
-        'HOST': '',
-        'PORT': '',
+        'ENGINE': os.environ.get('DATABASE_ENGINE', 'django.db.backends.sqlite3'),
+        'NAME': os.environ.get('DATABASE_NAME', location('db.sqlite')),
+        'USER': os.environ.get('DATABASE_USER', None),
+        'PASSWORD': os.environ.get('DATABASE_PASSWORD', None),
+        'HOST': os.environ.get('DATABASE_HOST', None),
+        'PORT': os.environ.get('DATABASE_PORT', None),
         'ATOMIC_REQUESTS': True
     }
 }