diff --git a/supabase/migrations/20251029121347_72334d9e-394b-4c55-9d61-71e6c07bca13.sql b/supabase/migrations/20251029121347_72334d9e-394b-4c55-9d61-71e6c07bca13.sql
new file mode 100644
index 00000000..9684aa17
--- /dev/null
+++ b/supabase/migrations/20251029121347_72334d9e-394b-4c55-9d61-71e6c07bca13.sql
@@ -0,0 +1,329 @@
+-- Phase 3: Update Database Functions to Use Dynamic Supabase URL
+-- This migration updates database functions to fetch the Supabase URL from admin_settings
+-- instead of hardcoding it, allowing for easier environment management.
+
+-- Add Supabase API URL to admin settings for dynamic lookup
+INSERT INTO admin_settings (setting_key, setting_value, category, description, updated_by)
+VALUES (
+  'supabase_api_url',
+  '"https://api.thrillwiki.com"'::jsonb,
+  'system',
+  'Base URL for Supabase API calls (used by database functions)',
+  NULL
+)
+ON CONFLICT (setting_key) DO UPDATE 
+SET setting_value = EXCLUDED.setting_value,
+    description = EXCLUDED.description,
+    updated_at = NOW();
+
+-- Update Function 1: notify_discord_via_edge()
+CREATE OR REPLACE FUNCTION public.notify_discord_via_edge()
+RETURNS trigger
+LANGUAGE plpgsql
+SET search_path = 'public'
+AS $function$
+DECLARE
+  url text;
+  base_url text;
+  payload jsonb;
+BEGIN
+  -- Get base URL from settings table
+  SELECT setting_value::text INTO base_url 
+  FROM admin_settings 
+  WHERE setting_key = 'supabase_api_url';
+  
+  -- Remove quotes from JSONB string
+  base_url := trim(both '"' from base_url);
+  
+  -- Fallback to custom domain if setting not found
+  IF base_url IS NULL THEN
+    base_url := 'https://api.thrillwiki.com';
+  END IF;
+  
+  url := base_url || '/functions/v1/discord-webhook-poster';
+  
+  payload := jsonb_build_object(
+    'table', TG_TABLE_SCHEMA || '.' || TG_TABLE_NAME,
+    'row', to_jsonb(NEW)
+  );
+
+  PERFORM public.pg_net.http_post(
+    url,
+    payload::text,
+    'application/json'
+  );
+
+  RETURN NEW;
+EXCEPTION WHEN OTHERS THEN
+  RAISE NOTICE 'Failed to call discord edge function: %', SQLERRM;
+  RETURN NEW;
+END;
+$function$;
+
+-- Update Function 2: notify_moderators_submission_new()
+CREATE OR REPLACE FUNCTION public.notify_moderators_submission_new()
+RETURNS trigger
+LANGUAGE plpgsql
+SECURITY DEFINER
+SET search_path = 'public'
+AS $function$
+DECLARE
+  base_url text;
+  edge_function_url text;
+  payload jsonb;
+BEGIN
+  -- Get base URL from settings
+  SELECT setting_value::text INTO base_url 
+  FROM admin_settings 
+  WHERE setting_key = 'supabase_api_url';
+  
+  base_url := trim(both '"' from base_url);
+  
+  IF base_url IS NULL THEN
+    base_url := 'https://api.thrillwiki.com';
+  END IF;
+  
+  edge_function_url := base_url || '/functions/v1/notify-moderators';
+  
+  payload := jsonb_build_object(
+    'event_type', 'new_submission',
+    'submission_id', NEW.id,
+    'submission_type', NEW.submission_type,
+    'user_id', NEW.user_id
+  );
+
+  PERFORM public.pg_net.http_post(
+    edge_function_url,
+    payload::text,
+    'application/json'
+  );
+
+  RETURN NEW;
+EXCEPTION WHEN OTHERS THEN
+  RAISE NOTICE 'Failed to notify moderators: %', SQLERRM;
+  RETURN NEW;
+END;
+$function$;
+
+-- Update Function 3: notify_moderators_report_new()
+CREATE OR REPLACE FUNCTION public.notify_moderators_report_new()
+RETURNS trigger
+LANGUAGE plpgsql
+SECURITY DEFINER
+SET search_path = 'public'
+AS $function$
+DECLARE
+  base_url text;
+  edge_function_url text;
+  payload jsonb;
+BEGIN
+  -- Get base URL from settings
+  SELECT setting_value::text INTO base_url 
+  FROM admin_settings 
+  WHERE setting_key = 'supabase_api_url';
+  
+  base_url := trim(both '"' from base_url);
+  
+  IF base_url IS NULL THEN
+    base_url := 'https://api.thrillwiki.com';
+  END IF;
+  
+  edge_function_url := base_url || '/functions/v1/notify-moderators';
+  
+  payload := jsonb_build_object(
+    'event_type', 'new_report',
+    'report_id', NEW.id,
+    'reported_content_type', NEW.content_type,
+    'reporter_id', NEW.reporter_id
+  );
+
+  PERFORM public.pg_net.http_post(
+    edge_function_url,
+    payload::text,
+    'application/json'
+  );
+
+  RETURN NEW;
+EXCEPTION WHEN OTHERS THEN
+  RAISE NOTICE 'Failed to notify moderators: %', SQLERRM;
+  RETURN NEW;
+END;
+$function$;
+
+-- Update Function 4: notify_user_submission_status_change()
+CREATE OR REPLACE FUNCTION public.notify_user_submission_status_change()
+RETURNS trigger
+LANGUAGE plpgsql
+SECURITY DEFINER
+SET search_path = 'public'
+AS $function$
+DECLARE
+  base_url text;
+  edge_function_url text;
+  payload jsonb;
+BEGIN
+  -- Only notify on status changes
+  IF OLD.status IS NOT DISTINCT FROM NEW.status THEN
+    RETURN NEW;
+  END IF;
+
+  -- Get base URL from settings
+  SELECT setting_value::text INTO base_url 
+  FROM admin_settings 
+  WHERE setting_key = 'supabase_api_url';
+  
+  base_url := trim(both '"' from base_url);
+  
+  IF base_url IS NULL THEN
+    base_url := 'https://api.thrillwiki.com';
+  END IF;
+  
+  edge_function_url := base_url || '/functions/v1/notify-user';
+  
+  payload := jsonb_build_object(
+    'event_type', 'submission_status_change',
+    'submission_id', NEW.id,
+    'user_id', NEW.user_id,
+    'old_status', OLD.status,
+    'new_status', NEW.status
+  );
+
+  PERFORM public.pg_net.http_post(
+    edge_function_url,
+    payload::text,
+    'application/json'
+  );
+
+  RETURN NEW;
+EXCEPTION WHEN OTHERS THEN
+  RAISE NOTICE 'Failed to notify user: %', SQLERRM;
+  RETURN NEW;
+END;
+$function$;
+
+-- Update Function 5: manage_moderator_topic_trigger()
+CREATE OR REPLACE FUNCTION public.manage_moderator_topic_trigger()
+RETURNS trigger
+LANGUAGE plpgsql
+SECURITY DEFINER
+SET search_path = 'public'
+AS $function$
+DECLARE
+  base_url text;
+  edge_function_url text;
+  payload jsonb;
+  operation_type text;
+BEGIN
+  -- Get base URL from settings
+  SELECT setting_value::text INTO base_url 
+  FROM admin_settings 
+  WHERE setting_key = 'supabase_api_url';
+  
+  base_url := trim(both '"' from base_url);
+  
+  IF base_url IS NULL THEN
+    base_url := 'https://api.thrillwiki.com';
+  END IF;
+  
+  edge_function_url := base_url || '/functions/v1/manage-moderator-topics';
+  
+  IF TG_OP = 'INSERT' THEN
+    operation_type := 'subscribe';
+  ELSIF TG_OP = 'DELETE' THEN
+    operation_type := 'unsubscribe';
+  ELSE
+    RETURN NEW;
+  END IF;
+  
+  payload := jsonb_build_object(
+    'operation', operation_type,
+    'user_id', COALESCE(NEW.user_id, OLD.user_id),
+    'role', COALESCE(NEW.role, OLD.role)
+  );
+
+  PERFORM public.pg_net.http_post(
+    edge_function_url,
+    payload::text,
+    'application/json'
+  );
+
+  RETURN COALESCE(NEW, OLD);
+EXCEPTION WHEN OTHERS THEN
+  RAISE NOTICE 'Failed to manage moderator topics: %', SQLERRM;
+  RETURN COALESCE(NEW, OLD);
+END;
+$function$;
+
+-- Update Function 6: create_novu_subscriber_trigger()
+CREATE OR REPLACE FUNCTION public.create_novu_subscriber_trigger()
+RETURNS trigger
+LANGUAGE plpgsql
+SECURITY DEFINER
+SET search_path = 'public'
+AS $function$
+DECLARE
+  base_url text;
+  edge_function_url text;
+  payload jsonb;
+  user_email text;
+BEGIN
+  -- Get user email from auth.users
+  SELECT email INTO user_email
+  FROM auth.users
+  WHERE id = NEW.user_id;
+  
+  IF user_email IS NULL THEN
+    RAISE NOTICE 'No email found for user %', NEW.user_id;
+    RETURN NEW;
+  END IF;
+
+  -- Get base URL from settings
+  SELECT setting_value::text INTO base_url 
+  FROM admin_settings 
+  WHERE setting_key = 'supabase_api_url';
+  
+  base_url := trim(both '"' from base_url);
+  
+  IF base_url IS NULL THEN
+    base_url := 'https://api.thrillwiki.com';
+  END IF;
+  
+  edge_function_url := base_url || '/functions/v1/create-novu-subscriber';
+  
+  payload := jsonb_build_object(
+    'user_id', NEW.user_id,
+    'email', user_email,
+    'username', NEW.username
+  );
+
+  PERFORM public.pg_net.http_post(
+    edge_function_url,
+    payload::text,
+    'application/json'
+  );
+
+  RETURN NEW;
+EXCEPTION WHEN OTHERS THEN
+  RAISE NOTICE 'Failed to create Novu subscriber: %', SQLERRM;
+  RETURN NEW;
+END;
+$function$;
+
+-- Add comments for documentation
+COMMENT ON FUNCTION public.notify_discord_via_edge() IS 
+  'Trigger function to notify Discord via edge function - uses dynamic URL from admin_settings';
+
+COMMENT ON FUNCTION public.notify_moderators_submission_new() IS 
+  'Trigger function to notify moderators of new submissions - uses dynamic URL from admin_settings';
+
+COMMENT ON FUNCTION public.notify_moderators_report_new() IS 
+  'Trigger function to notify moderators of new reports - uses dynamic URL from admin_settings';
+
+COMMENT ON FUNCTION public.notify_user_submission_status_change() IS 
+  'Trigger function to notify users of submission status changes - uses dynamic URL from admin_settings';
+
+COMMENT ON FUNCTION public.manage_moderator_topic_trigger() IS 
+  'Trigger function to manage Novu moderator topic subscriptions - uses dynamic URL from admin_settings';
+
+COMMENT ON FUNCTION public.create_novu_subscriber_trigger() IS 
+  'Trigger function to create Novu subscriber on profile creation - uses dynamic URL from admin_settings';
\ No newline at end of file