Update Dockerfile

Dockerfile

@@ -5,26 +5,39 @@ ENV PYTHONDONTWRITEBYTECODE=1
 
 WORKDIR /app
 
+# --------------------------------------------------
+# SYSTEM DEPENDENCIES REQUIRED BY PYAV
+# --------------------------------------------------
 RUN apt-get update && apt-get install -y \
     git \
     ffmpeg \
-    libsndfile1 \
+    pkg-config \
     build-essential \
     curl \
+    libsndfile1 \
+    libavcodec-dev \
+    libavformat-dev \
+    libavdevice-dev \
+    libavutil-dev \
+    libavfilter-dev \
+    libswscale-dev \
+    libswresample-dev \
     && rm -rf /var/lib/apt/lists/*
 
+# --------------------------------------------------
+# PYTHON
+# --------------------------------------------------
 COPY requirements.txt .
 
 RUN pip install --upgrade pip setuptools wheel
 
-RUN pip install --no-cache-dir \
-    torch \
-    torchaudio \
+# CPU torch (HF safe)
+RUN pip install torch torchaudio \
     --index-url https://download.pytorch.org/whl/cpu
 
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Install MusicGen safely
+# Install Audiocraft AFTER system libs exist
 RUN pip install --no-cache-dir git+https://github.com/facebookresearch/audiocraft.git
 
 COPY . .