🐛 Update environment variable handling in Settings class

Author: yezz123

Diff for: pragma/config.py

@@ -8,16 +8,18 @@ class Settings(BaseSettings):
     """Application settings loaded from environment variables."""
 
     # API Configuration
-    api_key: str = Field(..., description="Pragma API key")
-    pragma_api_base_url: str = Field(..., description="Pragma API base URL")
-    pragma_crawler_api_base_url: str = Field(..., description="Pragma Crawler API base URL")
-    pragma_otel_service_name: str = Field("pragma-api", description="Service name for OpenTelemetry")
-    pragma_otel_exporter_otlp_endpoint: str | None = Field(None, description="OpenTelemetry collector endpoint")
-    pragma_environment: str = Field("development", description="Environment")
-
-    # OpenTelemetry Configuration
-    otel_exporter_otlp_endpoint: str | None = Field(None, description="OpenTelemetry collector endpoint")
-    otel_service_name: str = Field("pragma-api", description="Service name for OpenTelemetry")
+    api_key: str = Field(..., description="Pragma API key", env="PRAGMA_API_KEY")
+    pragma_api_base_url: str = Field(..., description="Pragma API base URL", env="PRAGMA_API_BASE_URL")
+    pragma_crawler_api_base_url: str = Field(
+        ..., description="Pragma Crawler API base URL", env="PRAGMA_CRAWLER_API_BASE_URL"
+    )
+    pragma_otel_service_name: str = Field(
+        "pragma-api", description="Service name for OpenTelemetry", env="PRAGMA_OTEL_SERVICE_NAME"
+    )
+    pragma_otel_exporter_otlp_endpoint: str | None = Field(
+        None, description="OpenTelemetry collector endpoint", env="PRAGMA_OTEL_EXPORTER_OTLP_ENDPOINT"
+    )
+    pragma_environment: str = Field("development", description="Environment", env="PRAGMA_ENVIRONMENT")
 
     # CORS Settings
     cors_origins: list[str] = ["*"]
@@ -54,7 +56,6 @@ def __init__(self, **kwargs):
     class Config:
         env_file = ".env"
         env_file_encoding = "utf-8"
-        env_prefix = "PRAGMA_"  # This will look for PRAGMA_* environment variables
 
 
 @lru_cache