Update Dockerfile

Dockerfile

@@ -1,13 +1,27 @@
 FROM python:3.10-slim
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y ffmpeg git && rm -rf /var/lib/apt/lists/*
+# System deps: ffmpeg is required for audio extraction
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg git && \
+    rm -rf /var/lib/apt/lists/*
 
-# Copy files
-COPY requirements.txt requirements.txt
+# Caches go to /tmp (writable in Spaces)
+ENV HF_HOME=/tmp/huggingface
+ENV XDG_CACHE_HOME=/tmp
+
+# Workdir
+WORKDIR /app
+
+# Python deps
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-COPY app.py app.py
+# App code
+COPY app.py .
+
+# Expose the port Spaces expects
+ENV PORT=7860
+
+# Start FastAPI with uvicorn
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
 
-# Run Flask app
-CMD ["python", "app.py"]