Add migration services

services/recipes/migrations/env.py

@@ -35,8 +35,24 @@ except ImportError as e:
 # this is the Alembic Config object
 config = context.config
 
-# Set database URL from settings if not already set
-database_url = os.getenv('DATABASE_URL') or getattr(settings, 'DATABASE_URL', None)
+# Set database URL from environment variables or settings
+# Try service-specific DATABASE_URL first, then fall back to generic
+database_url = os.getenv('RECIPES_DATABASE_URL') or os.getenv('DATABASE_URL')
+
+# If DATABASE_URL is not set, construct from individual components
+if not database_url:
+    postgres_host = os.getenv('POSTGRES_HOST')
+    postgres_port = os.getenv('POSTGRES_PORT', '5432')
+    postgres_db = os.getenv('POSTGRES_DB')
+    postgres_user = os.getenv('POSTGRES_USER')
+    postgres_password = os.getenv('POSTGRES_PASSWORD')
+
+    if all([postgres_host, postgres_db, postgres_user, postgres_password]):
+        database_url = f"postgresql+asyncpg://{postgres_user}:{postgres_password}@{postgres_host}:{postgres_port}/{postgres_db}"
+    else:
+        # Fallback to settings
+        database_url = getattr(settings, 'DATABASE_URL', None)
+
 if database_url:
     config.set_main_option("sqlalchemy.url", database_url)