smolcgi: allow STORAGE_PATH env var

smolcgi.py

@@ -5,8 +5,8 @@ from pathlib import Path
 from urllib.parse import unquote
 
 
-def getenv(name):
-    return environ.get(name, "")
+def getenv(name, default=""):
+    return environ.get(name, default)
 
 
 gateway_interface = getenv("GATEWAY_INTERFACE")
@@ -50,7 +50,8 @@ def get_storage_path():
     script_filename = script_name.split("/")[-1]
     path = getenv(f"GEMINI_{script_filename.upper()}_STORAGE")
     if not path:
-        path = f"/home/gemini/storage/{script_filename}"
+        storage_root = getenv("STORAGE_ROOT", "/storage")
+        path = f"{storage_root}/{script_filename}"
     path = Path(path)
     if not path.exists():
         path.mkdir(parents=True)