settings.py

import os

import dj_database_url
from django.urls import reverse_lazy

APP_NAME = 'dankyrank'
BASE_DIR = os.path.dirname(os.path.abspath(__file__))

# BASIC DJANGO SETTINGS

SECRET_KEY = os.getenv('DJANGO_SECRET_KEY', 'RESETME')
SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTO', 'https')
SECURE_SSL_REDIRECT = os.getenv("DJANGO_USE_HTTPS", "False") == "True"
ALLOWED_HOSTS = '*'

DEBUG = os.getenv('DJANGO_DEBUG', 'True') == 'True'

TIME_ZONE = 'UTC'
LANGUAGE_CODE = 'en-us'
SITE_ID = 1
USE_I18N = False
USE_L10N = True
USE_TZ = True

EMAIL_BACKEND = os.getenv('DJANGO_EMAIL_BACKEND', 'django.core.mail.backends.console.EmailBackend')
ROOT_URLCONF = 'urls'
WSGI_APPLICATION = 'wsgi.application'

# APP AND MIDDLEWARE SETTINGS

AUTHENTICATION_BACKENDS = [
    'social_core.backends.spotify.SpotifyOAuth2',
    'django.contrib.auth.backends.ModelBackend',
]
SOCIAL_AUTH_SPOTIFY_SCOPE = ['playlist-modify-public']

SOCIAL_AUTH_POSTGRES_JSONFIELD = True
SOCIAL_AUTH_URL_NAMESPACE = 'social'
LOGIN_URL = reverse_lazy('login')
LOGIN_REDIRECT_URL = reverse_lazy('home')

DJANGO_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.sites',
]
THIRD_PARTY_APPS = [
    'django_extensions',
    'webpack_loader',
    'social_django',
]
LOCAL_APPS = [
    'taskapp',
    'app.home',
    'app.utils',
]
INSTALLED_APPS = DJANGO_APPS + LOCAL_APPS + THIRD_PARTY_APPS

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

# DATABASES AND CACHING

DATABASES = {}
DATABASES['default'] = dj_database_url.config(conn_max_age=600,
                                              default='postgres://localhost:5432/{}'.format(APP_NAME))

REDIS_LOCATION = '{0}/{1}'.format(os.getenv('REDIS_URL', 'redis://127.0.0.1:6379'), 0)
CACHES = {
    'default': {
        'BACKEND': 'redis_cache.RedisCache',
        'LOCATION': REDIS_LOCATION,
        'OPTIONS': {
            'DB': 0,
            'PASSWORD': '',
            'PARSER_CLASS': 'redis.connection.HiredisParser',
            'CONNECTION_POOL_CLASS': 'redis.BlockingConnectionPool',
            'CONNECTION_POOL_CLASS_KWARGS': {
                'max_connections': 50,
                'timeout': 20,
            }
        }
    }
}

# TEMPLATES AND STATIC FILES

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [
            os.path.join(BASE_DIR, 'app/templates'),
        ],
        'OPTIONS': {
            'debug': DEBUG,
            'loaders': [
                ('django.template.loaders.cached.Loader', [
                    'django.template.loaders.filesystem.Loader',
                    'django.template.loaders.app_directories.Loader',
                ]),
            ],
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.template.context_processors.media',
                'django.template.context_processors.static',
                'django.template.context_processors.tz',
                'django.contrib.messages.context_processors.messages',
                'social_django.context_processors.backends',
                'social_django.context_processors.login_redirect',
            ],
        },
    },
]
if DEBUG:
    TEMPLATES[0]['OPTIONS']['loaders'] = [
        'django.template.loaders.filesystem.Loader',
        'django.template.loaders.app_directories.Loader',
    ]

STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
STATICFILES_FINDERS = [
    'django.contrib.staticfiles.finders.FileSystemFinder',
    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
]

STATICFILES_DIRS = [
    os.path.join(BASE_DIR, 'static'),
]

WEBPACK_LOADER = {
    'DEFAULT': {
        'BUNDLE_DIR_NAME': 'bundles/',

    }
}
if DEBUG:
    WEBPACK_LOADER['DEFAULT']['STATS_FILE'] = os.path.join(BASE_DIR, 'webpack-stats.dev.json')
else:
    WEBPACK_LOADER['DEFAULT']['STATS_FILE'] = os.path.join(BASE_DIR, 'webpack-stats.prod.json')

# CELERY SETTINGS

CELERY_BROKER_URL = REDIS_LOCATION
CELERY_RESULT_BACKEND = 'django-cache'  # could also use django-db but cache will be generally faster
CELERY_ACCEPT_CONTENT = ['application/json']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
CELERY_TIMEZONE = TIME_ZONE

# SPOTIFY SETTINGS
SOCIAL_AUTH_SPOTIFY_KEY = os.getenv('SOCIAL_AUTH_SPOTIFY_KEY', '')
SOCIAL_AUTH_SPOTIFY_SECRET = os.getenv('SOCIAL_AUTH_SPOTIFY_SECRET', '')