add basic prometheus metrics

apprise_api/core/settings/__init__.py

@@ -61,12 +61,17 @@ INSTALLED_APPS = [
 
     # Apprise API
     'api',
+
+    # Prometheus
+    'django_prometheus',
 ]
 
 MIDDLEWARE = [
+    'django_prometheus.middleware.PrometheusBeforeMiddleware',
     'django.middleware.common.CommonMiddleware',
     'core.middleware.theme.AutoThemeMiddleware',
     'core.middleware.config.DetectConfigMiddleware',
+    'django_prometheus.middleware.PrometheusAfterMiddleware',
 ]
 
 ROOT_URLCONF = 'core.urls'

apprise_api/core/urls.py

@@ -29,4 +29,5 @@ from api import urls as api_urls
 
 urlpatterns = [
     path('', include(api_urls)),
+    path('', include('django_prometheus.urls')),
 ]

requirements.txt

@@ -24,3 +24,6 @@ requests
 paho-mqtt < 2.0.0
 gntp
 cryptography
+
+# prometheus metrics
+django-prometheus