add debug toolbar for query optimization work. not added to requirements.txt to keep prod slim

shiftregister/settings.py

@@ -61,6 +61,9 @@ THIRDPARTY_APPS = [
     "phonenumber_field",
 ]
 
+if DEBUG:
+    THIRDPARTY_APPS += ["debug_toolbar"]
+
 LOCAL_APPS = [
     "shiftregister.app",
     "shiftregister.core",
@@ -87,6 +90,9 @@ MIDDLEWARE = [
     "shiftregister.app.middleware.check_helper",
 ]
 
+if DEBUG:
+    MIDDLEWARE.insert(0, "debug_toolbar.middleware.DebugToolbarMiddleware")
+
 ROOT_URLCONF = "shiftregister.urls"
 
 LOGIN_URL = "/admin/login/"
@@ -260,3 +266,26 @@ LOGGING = {
         },
     },
 }
+
+# Debug Toolbar settings
+if DEBUG:
+    INTERNAL_IPS = ["127.0.0.1"]
+    DEBUG_TOOLBAR_CONFIG = {
+        "SHOW_TOOLBAR_CALLBACK": lambda request: True,  # Always show toolbar in debug mode
+        "SHOW_TEMPLATE_CONTEXT": True,
+        "SQL_WARNING_THRESHOLD": 100,  # ms
+    }
+    DEBUG_TOOLBAR_PANELS = [
+        "debug_toolbar.panels.timer.TimerPanel",
+        "debug_toolbar.panels.settings.SettingsPanel",
+        "debug_toolbar.panels.headers.HeadersPanel",
+        "debug_toolbar.panels.request.RequestPanel",
+        "debug_toolbar.panels.sql.SQLPanel",
+        "debug_toolbar.panels.staticfiles.StaticFilesPanel",
+        "debug_toolbar.panels.templates.TemplatesPanel",
+        "debug_toolbar.panels.cache.CachePanel",
+        "debug_toolbar.panels.signals.SignalsPanel",
+        "debug_toolbar.panels.logging.LoggingPanel",
+        "debug_toolbar.panels.redirects.RedirectsPanel",
+        "debug_toolbar.panels.profiling.ProfilingPanel",
+    ]

shiftregister/urls.py

@@ -16,6 +16,7 @@ Including another URLconf
 
 from django.contrib import admin
 from django.urls import include, path
+from django.conf import settings
 
 urlpatterns = [
     path("", include("shiftregister.metrics.urls")),
@@ -28,3 +29,10 @@ urlpatterns = [
     path("messages/", include("shiftregister.messaging.urls")),
     path("admin/", admin.site.urls),
 ]
+
+if settings.DEBUG:
+    import debug_toolbar
+
+    urlpatterns += [
+        path("__debug__/", include(debug_toolbar.urls)),
+    ]