Update app/main.py

app/main.py

@@ -20,7 +20,8 @@ app.add_middleware(
 )
 
 tasks = {}
-TEMP_DIR = Path("temp_audio")
+# --- KEY CHANGE: Use the /tmp directory which is always writable ---
+TEMP_DIR = Path("/tmp/temp_audio")
 TEMP_DIR.mkdir(exist_ok=True)
 
 # Define allowed file extensions and max size (50MB)
@@ -42,9 +43,6 @@ async def upload_audio_file(background_tasks: BackgroundTasks, file: UploadFile
         )
     
     # Validation: File Size
-    # We read the file into memory once to check size and then save it.
-    # This is a trade-off for validation. For extremely large files (>1GB), 
-    # a streaming validator would be better, but this is fine for a 50MB limit.
     file_content = await file.read()
     if len(file_content) > MAX_FILE_SIZE:
         raise HTTPException(status_code=413, detail="File too large. Limit is 50MB.")
@@ -79,4 +77,4 @@ async def get_task_result(task_id: str):
     task = tasks.get(task_id)
     if not task or task.get("status") != "complete":
         raise HTTPException(status_code=404, detail="Result not yet available or task not found")
-    return task.get("result")
+    return task.get("result")