complete backend plan

app/config/settings.py

@@ -14,6 +14,7 @@ class Settings(BaseSettings):
 
     S3_BUCKET: str = ""
     S3_REGION: str = "us-east-1"
+    S3_ENDPOINT_URL: str = ""
     AWS_ACCESS_KEY_ID: str = ""
     AWS_SECRET_ACCESS_KEY: str = ""
 

app/storage/blob_store.py

@@ -23,12 +23,14 @@ class BlobStore:
     """
 
     def _client(self) -> Any:
-        return boto3.client(
-            "s3",
-            region_name=settings.S3_REGION,
-            aws_access_key_id=settings.AWS_ACCESS_KEY_ID,
-            aws_secret_access_key=settings.AWS_SECRET_ACCESS_KEY,
-        )
+        kwargs: dict[str, Any] = {
+            "region_name": settings.S3_REGION,
+            "aws_access_key_id": settings.AWS_ACCESS_KEY_ID,
+            "aws_secret_access_key": settings.AWS_SECRET_ACCESS_KEY,
+        }
+        if settings.S3_ENDPOINT_URL and isinstance(settings.S3_ENDPOINT_URL, str):
+            kwargs["endpoint_url"] = settings.S3_ENDPOINT_URL
+        return boto3.client("s3", **kwargs)
 
     @staticmethod
     def _key(user_id: str, table: str, record_id: str) -> str: