switch to whitenoise for static files

passbook/core/requirements.txt

@@ -12,3 +12,4 @@ psycopg2
 PyYAML
 sentry-sdk
 pip
+whitenoise

passbook/core/settings.py

@@ -121,6 +121,7 @@ CACHES = {
 
 MIDDLEWARE = [
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'whitenoise.middleware.WhiteNoiseMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'passbook.app_gw.middleware.ApplicationGatewayMiddleware',
     'django.middleware.security.SecurityMiddleware',
@@ -246,6 +247,7 @@ with CONFIG.cd('web'):
 # https://docs.djangoproject.com/en/2.1/howto/static-files/
 
 STATIC_URL = '/static/'
+STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'
 
 LOG_HANDLERS = ['console', 'syslog', 'file']