Updated FastAPI code

Dockerfile

@@ -1,21 +1,26 @@
 FROM python:3.10-slim
 
+# Install system dependencies including git and ffmpeg (needed by pyannote and audio processing)
+RUN apt-get update && apt-get install -y \
+    git \
+    ffmpeg \
+    libsndfile1 \
+ && rm -rf /var/lib/apt/lists/*
+
 # Set working directory
 WORKDIR /app
 
 # Copy all files
 COPY . .
 
-# Install Python dependencies
+# Upgrade pip and install dependencies
 RUN pip install --upgrade pip
 RUN pip install --no-cache-dir torch torchvision torchaudio
 RUN pip install --no-cache-dir git+https://github.com/pyannote/pyannote-audio.git
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Make a writable cache directory for model downloads
+# Optional: Set model cache directories
 RUN mkdir -p /app/cache
-
-# Set environment variable to use this cache path (optional but good practice)
 ENV HF_HOME=/app/cache
 ENV TRANSFORMERS_CACHE=/app/cache
 ENV HF_HUB_CACHE=/app/cache