🔧(backend) move the DockerflowMiddleware higher in the middleware list

We decided to move the DockerflowMiddleware higher in the middleware
list to prevent future access to the database or redis in other
middleware that can have an impact on the liveness probe.

src/backend/impress/settings.py

@@ -356,6 +356,7 @@ class Base(Configuration):
 
     MIDDLEWARE = [
         "django.middleware.security.SecurityMiddleware",
+        "dockerflow.django.middleware.DockerflowMiddleware",
         "servestatic.middleware.ServeStaticMiddleware",
         "django.contrib.sessions.middleware.SessionMiddleware",
         "django.middleware.locale.LocaleMiddleware",
@@ -367,7 +368,6 @@ class Base(Configuration):
         "core.middleware.ForceSessionMiddleware",
         "core.middleware.SaveRawBodyMiddleware",
         "django.contrib.messages.middleware.MessageMiddleware",
-        "dockerflow.django.middleware.DockerflowMiddleware",
         "csp.middleware.CSPMiddleware",
         "waffle.middleware.WaffleMiddleware",
     ]