feat: integrate django-prometheus for web serivce metrics

Author: devnchill

nix/overlay.nix

@@ -80,6 +80,7 @@ in
       django-pghistory
       django-pglock
       django-pgtrigger
+      django-prometheus
       pytest
       pytest-django
       pytest-playwright

src/project/settings.py

@@ -356,6 +356,7 @@ class AppSettings(BaseModel):
     "django.contrib.sessions",
     "django.contrib.messages",
     "django.contrib.staticfiles",
+    "django_prometheus",
     "django_filters",
     "debug_toolbar",
     # AllAuth config
@@ -379,6 +380,7 @@ class AppSettings(BaseModel):
 ]
 
 MIDDLEWARE = [
+    "django_prometheus.middleware.PrometheusBeforeMiddleware",
     "django.middleware.security.SecurityMiddleware",
     "django.contrib.sessions.middleware.SessionMiddleware",
     "django.middleware.common.CommonMiddleware",
@@ -390,6 +392,7 @@ class AppSettings(BaseModel):
     # Allauth account middleware
     "allauth.account.middleware.AccountMiddleware",
     "pghistory.middleware.HistoryMiddleware",
+    "django_prometheus.middleware.PrometheusAfterMiddleware",
 ]
 
 ROOT_URLCONF = "project.urls"

src/project/urls.py

@@ -19,6 +19,7 @@
 from django.urls import include, path
 
 urlpatterns = [
+    path("", include("django_prometheus.urls")),
     path("", include("webview.urls")),
     path("api/", include("api.urls")),
     path("feeds/", include("feeds.urls")),