Fix: Resolve cache permission errors in Docker

Dockerfile

@@ -25,7 +25,7 @@ RUN pip install --no-cache-dir -r /code/requirements.txt
 
 # Pre-download the models at build time to avoid runtime delays.
 # This ensures the application starts up quickly in the Space.
-RUN python -c "from transformers import pipeline; import whisper; pipeline('summarization', model='facebook/bart-large-cnn'); whisper.load_model('base')"
+RUN python -c "from transformers import pipeline; import whisper; pipeline('summarization', model='facebook/bart-large-cnn'); whisper.load_model('base', download_root='/code/cache')"
 
 # Copy the rest of the application code into the container
 COPY . /code/

app.py

@@ -11,7 +11,9 @@ import numpy as np
 class TextSummarizer:
     def __init__(self):
         self.summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
-        self.whisper_model = whisper.load_model("base")
+        # Ensure whisper uses a writable cache directory
+        cache_dir = "/code/cache"
+        self.whisper_model = whisper.load_model("base", download_root=cache_dir)
     
     def extract_text_from_pdf(self, pdf_file):
         """Extract text from a PDF file object"""