fix

deploy/nixos/downloadwf.nix

@@ -42,10 +42,16 @@ in
 
     maxFileSize = lib.mkOption {
       type = lib.types.str;
-      default = "5GB";
+      default = "10GB";
       description = "Maximum upload size (B/KB/MB/GB/TB).";
     };
 
+    fileTtlMs = lib.mkOption {
+      type = lib.types.ints.positive;
+      default = 7 * 24 * 60 * 60 * 1000;
+      description = "Milliseconds before an uploaded file expires and is deleted.";
+    };
+
     trustProxy = lib.mkEnableOption "trust of X-Forwarded-* headers (behind a reverse proxy)";
   };
 
@@ -73,6 +79,7 @@ in
           "HOST=${cfg.host}"
           "STORAGE_DIR=${cfg.storageDir}"
           "MAX_FILE_SIZE=${cfg.maxFileSize}"
+          "FILE_TTL_MS=${toString cfg.fileTtlMs}"
         ] ++ lib.optionals cfg.trustProxy [ "TRUST_PROXY=1" ];
 
         # no runtime deps, so no `bun install` needed at startup