diff --git a/apps/devops/app/common/models/deployment/deployment.py b/apps/devops/app/common/models/deployment/deployment.py
index b9a3619..d4b9982 100644
--- a/apps/devops/app/common/models/deployment/deployment.py
+++ b/apps/devops/app/common/models/deployment/deployment.py
@@ -2,7 +2,6 @@ from datetime import datetime, timedelta
 from typing import Literal, List
 
 from beanie import Document
-from bson import ObjectId
 from pydantic import Field, field_validator
 from pydantic import BaseModel
 from pymongo import IndexModel
@@ -40,8 +39,8 @@ class Deployment(Document):
 
 class InitDeploymentRequest(BaseModel):
     product_id: str
-    sha256: str
-    target_env: str
+    sha256: str = ""
+    target_env: Literal["alpha", "prod"]
     user_id: str
     reason: str = "not provided"
     ttl_hours: int = 3
@@ -53,7 +52,7 @@ class CheckDeploymentStatusRequest(BaseModel):
 
 class CheckApplicationLogsRequest(BaseModel):
     product_id: str
-    target_env: Literal["alpha", "prod"] = "alpha"
+    target_env: Literal["alpha", "prod"]
     user_id: str = ''
     log_level: List[Literal["info", "error", "debug"]] = Field(default_factory=lambda: ["info"])
     start_time: datetime = datetime.now() - timedelta(minutes=5)