Remove .env_production_sample

.env_sample

@@ -103,24 +103,43 @@ FLOWER_PORT=5555
 # ----------------------------------------------------------------------------
 DJANGO_SECRET_KEY=change-me-to-a-secret
 DJANGO_PORT=8000
-DEBUG=True
 NGINX_PORT=80
-
 SSL_PORT=443
-#SSL_CERTIFICATE=
-#SSL_CERTIFICATE_KEY=
-# Allowed hosts separated by space
+
+# Make sure debug is off on production
+DEBUG=True
+# These admins will be emailed when there are errors
+#ADMINS=Name,[email protected];OtherName,[email protected]
+
+# Put SSL certificates in ./certs/ and they are mapped to /app/certs in the container
+#SSL_CERTIFICATE=/app/certs/certificate.crt
+#SSL_CERTIFICATE_KEY=/app/certs/certificate.pem
+# Allowed hosts separated by space (e.g. example.com)
 SSL_ALLOWED_HOSTS=
 
 # Set this to your actual domain, like example.com
 CODALAB_SITE_DOMAIN=localhost
 
 # How many site workers (submission result processors)?
+# A higher value, e.g. 16, is advised for a production environment
 WEB_CONCURRENCY=2
 
 # Google Analytics code (leave empty to disable Google's user tracking)
 GOOGLE_ANALYTICS=
 
+# =========================================================================
+# Email
+# =========================================================================
+# This section can be left commented for a testing environment
+#EMAIL_BACKEND=django.core.mail.backends.smtp.EmailBackend
+#EMAIL_HOST=smtp.sendgrid.net
+#EMAIL_HOST_USER=
+#EMAIL_HOST_PASSWORD=
+#EMAIL_PORT=587
+#EMAIL_USE_TLS=True
+#DEFAULT_FROM_EMAIL=CodaLab <[email protected]>
+#[email protected]
+
 # ----------------------------------------------------------------------------
 # Logging
 # ----------------------------------------------------------------------------