Add support for dotenv configuration file

app/app/settings.py

@@ -1,38 +1,39 @@
 """
 Django settings for app project.
 
-Generated by 'django-admin startproject' using Django 2.0.5.
-
 For more information on this file, see
 https://docs.djangoproject.com/en/2.0/topics/settings/
 
 For the full list of settings and their values, see
 https://docs.djangoproject.com/en/2.0/ref/settings/
+
+Any setting that is configured via an environment variable may
+also be set in a `.env` file in the project base directory.
 """
 
 import os
 import django_heroku
 import dj_database_url
 
+from environs import Env
+
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
 BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 
+env = Env()
+env.read_env(BASE_DIR, recurse=False)
+
 
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = os.environ.get(
-    'SECRET_KEY',
-    'v8sk33sy82!uw3ty=!jjv5vp7=s2phrzw(m(hrn^f7e_#1h2al')
+SECRET_KEY = env('SECRET_KEY',
+                 'v8sk33sy82!uw3ty=!jjv5vp7=s2phrzw(m(hrn^f7e_#1h2al')
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = True
-if os.environ.get('DEBUG') == 'False':
-    DEBUG = False
-# DEBUG = bool(os.environ.get('DEBUG', False))
-# DEBUG = os.environ.get('DEBUG') == 'TRUE'
+DEBUG = env.bool('DEBUG', True)
 
 # ALLOWED_HOSTS = []
 
@@ -104,12 +105,12 @@ AUTHENTICATION_BACKENDS = [
     'django.contrib.auth.backends.ModelBackend',
 ]
 
-SOCIAL_AUTH_GITHUB_KEY = os.getenv('OAUTH_GITHUB_KEY')
-SOCIAL_AUTH_GITHUB_SECRET = os.getenv('OAUTH_GITHUB_SECRET')
+SOCIAL_AUTH_GITHUB_KEY = env('OAUTH_GITHUB_KEY', None)
+SOCIAL_AUTH_GITHUB_SECRET = env('OAUTH_GITHUB_SECRET', None)
 
-SOCIAL_AUTH_AZUREAD_TENANT_OAUTH2_KEY = os.getenv('OAUTH_AAD_KEY')
-SOCIAL_AUTH_AZUREAD_TENANT_OAUTH2_SECRET = os.getenv('OAUTH_AAD_SECRET')
-SOCIAL_AUTH_AZUREAD_TENANT_OAUTH2_TENANT_ID = os.getenv('OAUTH_AAD_TENANT')
+SOCIAL_AUTH_AZUREAD_TENANT_OAUTH2_KEY = env('OAUTH_AAD_KEY', None)
+SOCIAL_AUTH_AZUREAD_TENANT_OAUTH2_SECRET = env('OAUTH_AAD_SECRET', None)
+SOCIAL_AUTH_AZUREAD_TENANT_OAUTH2_TENANT_ID = env('OAUTH_AAD_TENANT', None)
 
 # Database
 # https://docs.djangoproject.com/en/2.0/ref/settings/#databases
@@ -189,9 +190,9 @@ SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
 # on the import phase
 IMPORT_BATCH_SIZE = 500
 
-GOOGLE_TRACKING_ID = os.getenv('GOOGLE_TRACKING_ID', 'UA-125643874-2')
+GOOGLE_TRACKING_ID = env('GOOGLE_TRACKING_ID', 'UA-125643874-2')
 
-AZURE_APPINSIGHTS_IKEY = os.getenv('AZURE_APPINSIGHTS_IKEY')
+AZURE_APPINSIGHTS_IKEY = env('AZURE_APPINSIGHTS_IKEY', None)
 APPLICATION_INSIGHTS = {
     'ikey': AZURE_APPINSIGHTS_IKEY if AZURE_APPINSIGHTS_IKEY else None,
 }

requirements.txt

@@ -6,6 +6,7 @@ django-heroku==0.3.1
 django-widget-tweaks==1.4.2
 djangorestframework==3.8.2
 djangorestframework-filters==0.10.2
+environs==4.1.0
 Faker==0.8.8
 flake8==3.6.0
 gunicorn==19.9.0