Added Postgresql config in production.

Added Postgresql config if is present ENV => DATABASE_URL.

Added migrations.

Fixed path sqlite.

Added MAILTRAP.

Procfile

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

bin/post_compile

@@ -0,0 +1,10 @@
+# !/usr/bin/env bash
+# File path should be ./bin/post_compile
+# (.sh extension added in Gist just to enable shell syntax highlighting.
+# https://discussion.heroku.com/t/django-automaticlly-run-syncdb-and-migrations-after-heroku-deploy-with-a-buildpack-or-otherwise/466/7
+
+echo "=> Performing database migrations..."
+python manage.py migrate
+
+echo "=> Generating static files..."
+python manage.py collectstatic --noinput

requirements.txt

@@ -1,2 +1,5 @@
 django==1.10.4
 gunicorn==19.6.0
+dj-database-url==0.4.1
+psycopg2>=2.6.1
+whitenoise==3.2.1

superlists/settings.py

@@ -11,6 +11,7 @@
 """
 
 import os
+import dj_database_url
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@@ -25,7 +26,7 @@
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['localhost', 'testing-example.herokuapp.com']
 
 
 # Application definition
@@ -84,11 +85,22 @@
 DATABASES = {
     'default': {
         'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': os.path.join(BASE_DIR, '../database/db.sqlite3'),
+        'NAME': os.path.join(BASE_DIR, './database/db.sqlite3'),
     }
 }
 
 
+if os.getenv('DATABASE_URL', '') != '':
+    # Update database configuration with $DATABASE_URL.
+    db_from_env = dj_database_url.config()
+    DATABASES['default'].update(db_from_env)
+
+# Simplified static file serving.
+# https://warehouse.python.org/project/whitenoise/
+
+STATICFILES_STORAGE = 'whitenoise.django.GzipManifestStaticFilesStorage'
+
+
 # Password validation
 # https://docs.djangoproject.com/en/1.10/ref/settings/#auth-password-validators
 
@@ -145,8 +157,12 @@
     'root': {'level': 'INFO'},
 }
 
-EMAIL_HOST = 'smtp.gmail.com'
-EMAIL_HOST_USER = '[email protected]'
-EMAIL_HOST_PASSWORD = os.environ.get('EMAIL_PASSWORD')
-EMAIL_USE_TLS = True
+if os.getenv('MAILTRAP_ENABLED', '') != '':
+    EMAIL_HOST = 'mailtrap.io'
+    EMAIL_HOST_USER = os.getenv('MAILTRAP_USER', '')
+    EMAIL_HOST_PASSWORD = os.getenv('MAILTRAP_PASSWORD', '')
+    EMAIL_PORT = '2525'
 
+else:
+    # It writes e-mails to standard out instead of sending them
+    EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'

superlists/wsgi.py

@@ -10,7 +10,8 @@
 import os
 
 from django.core.wsgi import get_wsgi_application
+from whitenoise.django import DjangoWhiteNoise
 
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "superlists.settings")
 
-application = get_wsgi_application()
+application = DjangoWhiteNoise(get_wsgi_application())