Ready to implement photos management

geneit_backend/src/app_config.rs

@@ -141,6 +141,10 @@ pub struct AppConfig {
     /// S3 skip auto create bucket if not existing
     #[arg(long, env)]
     pub s3_skip_auto_create_bucket: bool,
+
+    /// Directory where temporary files are stored
+    #[arg(long, env, default_value = "/tmp")]
+    pub temp_dir: String,
 }
 
 lazy_static::lazy_static! {