set debug to false in production, closes #277

chart/templates/deployment-django.yaml

@@ -45,7 +45,7 @@ spec:
 #        command: ["/docker-entrypoint.sh", "gunicorn", "--bind", ":8000", "ippisite.wsgi:application", "--threads", "4"]
         env:
           - name: DJANGO_DEBUG
-            value: "true"
+            value: {{ .Values.django.debug | quote }}
           - name: POSTGRES_HOST
             value: {{ printf "%s-postgresql" .Release.Name }}{{- if .Values.postgresqlBackend.bitnami.enabled }}bitnami{{end}}
           - name: POSTGRES_DB