explain how to use environment variables

README.md

@@ -3,3 +3,22 @@
 My CI testing pipeline for a django project.
 
 [![pipeline status](http://gitlab.ducoterra.net/ducoterra/ci_builder/badges/master/pipeline.svg)](http://gitlab.ducoterra.net/ducoterra/ci_builder/-/commits/master)
+
+## Django Environment Variables
+
+### Django Secret
+
+```bash
+kubectl create secret generic django-secrets --from-literal=SECRET_KEY=$(python -c "import secrets ; print(secrets.token_urlsafe(32))")
+```
+
+### Django Allowed Hosts
+
+```yaml
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: test
+data:
+  ALLOWED_HOSTS: localhost,test.ducoterra.net
+```