feat: add configurable S3 object storage

src/config.rs

@@ -25,7 +25,6 @@ pub struct Config {
     pub stripe_secret_key: Option<String>,
     pub stripe_webhook_secret: Option<String>,
 
-    pub storage_type: String,
     pub storage_path: String,
 
     pub allow_anonymous_upload: bool,
@@ -95,13 +94,6 @@ impl Config {
         let stripe_secret_key = env_string("STRIPE_SECRET_KEY");
         let stripe_webhook_secret = env_string("STRIPE_WEBHOOK_SECRET");
 
-        let storage_type = env_string("STORAGE_TYPE").unwrap_or_else(|| "local".to_string());
-        if !storage_type.eq_ignore_ascii_case("local") {
-            return Err(AppError::new(
-                ErrorCode::InvalidRequest,
-                "STORAGE_TYPE 目前仅支持 local",
-            ));
-        }
         let storage_path = env_string("STORAGE_PATH").unwrap_or_else(|| "./uploads".to_string());
 
         let allow_anonymous_upload = env_bool("ALLOW_ANONYMOUS_UPLOAD").unwrap_or(true);
@@ -141,7 +133,6 @@ impl Config {
             api_key_pepper,
             stripe_secret_key,
             stripe_webhook_secret,
-            storage_type,
             storage_path,
             allow_anonymous_upload,
             anon_max_file_size_mb,