Configure PostgreSQL with PostGIS support

- Updated database settings to use dj_database_url for environment-based configuration
- Added dj-database-url dependency
- Configured PostGIS backend for spatial data support
- Set default DATABASE_URL for production PostgreSQL connection

thrillwiki/settings.py

@@ -2,6 +2,7 @@
 Django settings for thrillwiki project.
 """
 
+import dj_database_url
 from pathlib import Path
 import os
 
@@ -91,17 +92,18 @@ TEMPLATES = [
 WSGI_APPLICATION = "thrillwiki.wsgi.application"
 
 # Database
+
 DATABASES = {
-    "default": {
-        "ENGINE": "django.contrib.gis.db.backends.postgis",  # Update to use PostGIS
-        "NAME": "thrillwiki",
-        "USER": "wiki",
-        "PASSWORD": "thrillwiki",
-        "HOST": "192.168.86.3",
-        "PORT": "5432",
-    }
+    "default": dj_database_url.config(
+        default="[DATABASE-URL-REMOVED]
+        conn_max_age=600,
+        conn_health_checks=True,
+    )
 }
 
+# Ensure PostGIS backend is used
+DATABASES["default"]["ENGINE"] = "django.contrib.gis.db.backends.postgis"
+
 # Cache settings
 CACHES = {
     "default": {