Configure PostGIS backend in correct database settings file

- Modified config/settings/database.py to force PostGIS engine
- This ensures spatial database operations work with PostgreSQL PostGIS
- The config-based settings structure was being used instead of thrillwiki/settings.py

config/settings/database.py

@@ -7,8 +7,12 @@ import environ
 env = environ.Env()
 
 # Database configuration
+db_config = env.db()
+# Force PostGIS backend for spatial data support
+db_config['ENGINE'] = 'django.contrib.gis.db.backends.postgis'
+
 DATABASES = {
-    'default': env.db(),
+    'default': db_config,
 }
 
 # GeoDjango Settings - Environment specific
@@ -20,6 +24,7 @@ CACHES = {
     'default': env.cache('CACHE_URL', default='locmemcache://')
 }
 
-CACHE_MIDDLEWARE_SECONDS = env.int('CACHE_MIDDLEWARE_SECONDS', default=300)  # 5 minutes
-CACHE_MIDDLEWARE_KEY_PREFIX = env('CACHE_MIDDLEWARE_KEY_PREFIX', default='thrillwiki')
-
+CACHE_MIDDLEWARE_SECONDS = env.int(
+    'CACHE_MIDDLEWARE_SECONDS', default=300)  # 5 minutes
+CACHE_MIDDLEWARE_KEY_PREFIX = env(
+    'CACHE_MIDDLEWARE_KEY_PREFIX', default='thrillwiki')

thrillwiki/settings.py

@@ -93,18 +93,19 @@ WSGI_APPLICATION = "thrillwiki.wsgi.application"
 
 # Database
 
-# Parse database URL but use PostGIS engine
+# Parse database URL but force PostGIS engine
 db_config = dj_database_url.config(
     default="postgresql://thrillwiki:thrillwiki_secure_password@localhost:5432/thrillwiki",
     conn_max_age=600,
     conn_health_checks=True,
 )
 
-# Override engine to use PostGIS
-db_config["ENGINE"] = "django.contrib.gis.db.backends.postgis"
-
+# Force PostGIS engine - override any parsed engine
 DATABASES = {
-    "default": db_config
+    "default": {
+        **db_config,
+        "ENGINE": "django.contrib.gis.db.backends.postgis",
+    }
 }
 
 # Cache settings