🔇(helm) silence some Django system checks

Django logs some security warnings we can ignored when deploying over K8s.
Inspired by fun project, I added the Django setting SILENCED_SYSTEM_CHECKS,
and silenced the two that were logging a lot of warning.

src/backend/people/settings.py

@@ -71,6 +71,7 @@ class Base(Configuration):
     # Security
     ALLOWED_HOSTS = values.ListValue([])
     SECRET_KEY = values.Value(None)
+    SILENCED_SYSTEM_CHECKS = values.ListValue([])
 
     # Application definition
     ROOT_URLCONF = "people.urls"

src/helm/env.d/staging/values.desk.yaml.gotmpl

@@ -17,6 +17,7 @@ backend:
     DJANGO_EMAIL_HOST: "snap-mail.numerique.gouv.fr"
     DJANGO_EMAIL_PORT: 465
     DJANGO_EMAIL_USE_SSL: True
+    DJANGO_SILENCED_SYSTEM_CHECKS: security.W008,security.W004
     OIDC_OP_JWKS_ENDPOINT: https://fca.integ01.dev-agentconnect.fr/api/v2/jwks
     OIDC_OP_AUTHORIZATION_ENDPOINT: https://fca.integ01.dev-agentconnect.fr/api/v2/authorize
     OIDC_OP_TOKEN_ENDPOINT: https://fca.integ01.dev-agentconnect.fr/api/v2/token