feat(config): add dj-database-url for simplified database configuration

src/templates/env_sample.j2

@@ -3,7 +3,10 @@ DJANGO_SETTINGS_MODULE={{ project_name }}.settings.development
 SECRET_KEY= your-secret-key
 ALLOWED_HOSTS=api.your-domain.com,www.your-domain.com
 
-# Database
+# Database URL (Option 1)
+DATABASE_URL=
+
+# Database (Option 2)
 DB_NAME=
 DB_USER=
 DB_PASSWORD=

src/templates/requirements.j2

@@ -8,3 +8,4 @@ django-cors-headers
 whitenoise
 psycopg2-binary
 gunicorn
+dj-database-url

src/templates/settings_production.j2

@@ -1,22 +1,31 @@
 from .base import *
 import os
+import dj_database_url
 
 DEBUG = False
 SECRET_KEY = os.getenv('SECRET_KEY')
 ALLOWED_HOSTS = os.getenv('ALLOWED_HOSTS', '').split(',')
 
 # Database
+# Option 1: Using dj_database_url (recommended for production)
 DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.postgresql',
-        'NAME': os.getenv('DB_NAME'),
-        'USER': os.getenv('DB_USER'),
-        'PASSWORD': os.getenv('DB_PASSWORD'),
-        'HOST': os.getenv('DB_HOST'),
-        'PORT': os.getenv('DB_PORT'),
-    }
+    'default': dj_database_url.parse(os.getenv('DATABASE_URL'))
 }
 
+# Option 2: Individual database parameters (uncomment to use)
+# DATABASES = {
+#     'default': {
+#         'ENGINE': 'django.db.backends.postgresql',
+#         'NAME': os.getenv('DB_NAME'),
+#         'USER': os.getenv('DB_USER'),
+#         'PASSWORD': os.getenv('DB_PASSWORD'),
+#         'HOST': os.getenv('DB_HOST'),
+#         'PORT': os.getenv('DB_PORT'),
+#     }
+# }
+
+
+
 # Email settings
 EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
 EMAIL_HOST = os.getenv('EMAIL_HOST')