add procfile and runtime heroku requirements

Procfile

@@ -0,0 +1 @@
+web: gunicorn hc.wsgi --log-file -

hc/settings.py

@@ -12,6 +12,7 @@ https://docs.djangoproject.com/en/1.8/ref/settings/
 
 import os
 import warnings
+import dj_database_url
 
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
@@ -110,6 +111,10 @@ if os.environ.get("DB") == "mysql":
         }
     }
 
+if os.environ.get("APP_ENV") == "prod":
+    DATABASES['default'] = dj_database_url.config()
+
+
 LANGUAGE_CODE = 'en-us'
 
 TIME_ZONE = 'UTC'

requirements.txt

@@ -1,9 +1,20 @@
+boto==2.42.0
+cssselect==0.9.2
+cssutils==1.0.1
+dj-database-url==0.4.1
+Django==1.10
 django-appconf==1.0.1
+django-compressor==2.1
 django-ses-backend==0.1.1
-Django==1.10
-django_compressor==2.1
 djmail==0.11.0
 futures==3.0.3
+gunicorn==19.6.0
+lxml==3.6.4
+mock==2.0.0
+pbr==1.10.0
 premailer==2.9.6
 psycopg2==2.6.1
+rcssmin==1.0.6
 requests==2.9.1
+rjsmin==1.0.12
+six==1.10.0

runtime.txt

@@ -0,0 +1 @@
+python-3.5.2