FIx WEB_CONCURRENCY environment variable missing
Fixes
@@ -30,7 +30,11 @@ DJANGO_ACCOUNT_ALLOW_REGISTRATION=True
# django-compressor
# ------------------------------------------------------------------------------
COMPRESS_ENABLED=
-{% endif %}{% if cookiecutter.use_sentry_for_error_reporting == 'y' %}
+{% endif %}
+# Gunicorn
+# ------------------------------------------------------------------------------
+WEB_CONCURRENCY=4
+{% if cookiecutter.use_sentry_for_error_reporting == 'y' %}
# Sentry
# ------------------------------------------------------------------------------
DJANGO_SENTRY_DSN=
