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@@ -1,17 +1,39 @@
-FROM python:3.11-slim
+FROM python:3.10-slim
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ffmpeg libsndfile1 build-essential && \
-    rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+
+# System deps for audio processing
+RUN apt-get update && apt-get install -y \
+    ffmpeg \
+    libsndfile1 \
+    && rm -rf /var/lib/apt/lists/*
 
+# Create user (HF requires user ID 1000)
 RUN useradd -m -u 1000 user
-WORKDIR /app
 
-COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+# Install torch CPU-only first (much smaller than CUDA version)
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir torch>=2.5.0 torchaudio>=2.5.0 \
+    --index-url https://download.pytorch.org/whl/cpu
+
+# Install other deps
+COPY requirements_docker.txt /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
-COPY . .
+# Copy app
+COPY app.py .
+COPY reference_one.wav /data/reference_one.wav
+
+# Permissions
+RUN mkdir -p /data/output && \
+    chown -R user:user /data /app
 
 USER user
+
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONIOENCODING=UTF-8 \
+    HOME=/home/user
+
 EXPOSE 7860
+
 CMD ["python", "app.py"]