Update Dockerfile

Dockerfile

@@ -1,39 +1,44 @@
 # Use a slim Python base image
 FROM python:3.9-slim
 
-# Install system build deps (adjust if you know you don't need them)
+# Install system dependencies for audio and model support
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         build-essential \
         gcc \
+        git \
+        ffmpeg \
+        libsndfile1 \
         libgomp1 \
-        git && \
+        curl && \
     rm -rf /var/lib/apt/lists/*
 
-# Prevent Python from writing .pyc files and enable unbuffered logging
+# Environment variables for better performance & Hugging Face cache
 ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1
+    PYTHONUNBUFFERED=1 \
+    HF_HOME=/tmp/huggingface \
+    TRANSFORMERS_CACHE=/tmp/huggingface/transformers \
+    HF_HUB_CACHE=/tmp/huggingface/hub \
+    HF_DATASETS_CACHE=/tmp/huggingface/datasets \
+    XDG_CACHE_HOME=/tmp/huggingface
 
 WORKDIR /app
 
-# Copy only requirements first to leverage Docker cache
+# Copy and install dependencies
 COPY requirements.txt /app/requirements.txt
-
-# Install Python packages globally (as root)
 RUN pip install --no-cache-dir --upgrade pip && \
     pip install --no-cache-dir -r /app/requirements.txt
 
-# Create a non-root user and switch to it
+# Create non-root user
 RUN useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
 
-# Copy application code as the non-root user
+# Copy code
 COPY --chown=user:root . /app
 
-# Expose the port expected by Hugging Face Spaces (7860)
+# Expose Hugging Face port
 EXPOSE 7860
 
-# Run uvicorn pointing at the FastAPI app defined in `main.py` (module:main, variable:app)
-# Use a reasonable timeout for long uploads and keep 1 worker (models are heavy)
+# Run the app
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1", "--timeout-keep-alive", "120"]