Update Dockerfile

Dockerfile

@@ -1,6 +1,6 @@
 FROM python:3.10-slim
 
-# 1) Set environment variables early so HF never touches /.cache
+# Environment variable overrides
 ENV HF_HOME=/tmp/hf_cache
 ENV TRANSFORMERS_CACHE=/tmp/hf_cache
 ENV HF_DATASETS_CACHE=/tmp/hf_cache
@@ -9,6 +9,10 @@ ENV XDG_CACHE_HOME=/tmp
 WORKDIR /app
 COPY . /app
 
+# Install apt packages for decoding: ffmpeg + libsndfile
+RUN apt-get update && apt-get install -y ffmpeg libsndfile1 && rm -rf /var/lib/apt/lists/*
+
+# Then Python deps
 RUN pip install --no-cache-dir -r requirements.txt
 
 EXPOSE 7860