fix: Keep environment variables but remove default values

This fixes a regression where environment variables were not being properly loaded.
Now we:
- Keep environment variables support
- Remove default values
- Keep proper validation

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "surrantic"
-version = "0.2.1"
+version = "0.2.2"
 description = "A simple Pydantic ORM implementation for SurrealDB"
 readme = "README.md"
 authors = [

src/surrantic/base.py

@@ -15,11 +15,11 @@
 setup_logging(logging.DEBUG)
 
 # Default database configuration
-SURREAL_ADDRESS = os.getenv("SURREAL_ADDRESS")
-SURREAL_USER = os.getenv("SURREAL_USER")
-SURREAL_PASS = os.getenv("SURREAL_PASS")
-SURREAL_NAMESPACE = os.getenv("SURREAL_NAMESPACE")
-SURREAL_DATABASE = os.getenv("SURREAL_DATABASE")
+SURREAL_ADDRESS = os.getenv("SURREAL_ADDRESS", None)
+SURREAL_USER = os.getenv("SURREAL_USER", None)
+SURREAL_PASS = os.getenv("SURREAL_PASS", None)
+SURREAL_NAMESPACE = os.getenv("SURREAL_NAMESPACE", None)
+SURREAL_DATABASE = os.getenv("SURREAL_DATABASE", None)
 
 class SurranticConfig:
     """Configuration class for Surrantic database connection.