Improve docker config

shared/config/base.py

@@ -284,14 +284,6 @@ class BaseServiceSettings(BaseSettings):
             raise ValueError("JWT_SECRET_KEY must be at least 32 characters long")
         return v
     
-    @validator('DATABASE_URL')
-    def validate_database_url(cls, v):
-        if not v:
-            raise ValueError("DATABASE_URL is required")
-        if not v.startswith(('postgresql://', 'postgresql+asyncpg://')):
-            raise ValueError("DATABASE_URL must be a PostgreSQL URL")
-        return v
-    
     @validator('LOG_LEVEL')
     def validate_log_level(cls, v):
         valid_levels = ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL']