Fix Dockerfile: add retry logic for apt-get and pip install

Dockerfile

@@ -4,31 +4,41 @@ ENV DEBIAN_FRONTEND=noninteractive
 ENV PIP_NO_CACHE_DIR=1
 ENV PYTHONUNBUFFERED=1
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    git \
-    ffmpeg \
-    libsndfile1 \
-    libportaudio2 \
-    libasound2 \
-    build-essential \
-    cmake \
-    && rm -rf /var/lib/apt/lists/*
+# Install system dependencies with retry logic
+RUN for i in 1 2 3; do \
+      apt-get update && apt-get install -y --no-install-recommends \
+        git \
+        ffmpeg \
+        libsndfile1 \
+        libportaudio2 \
+        libasound2 \
+        build-essential \
+        cmake \
+        && rm -rf /var/lib/apt/lists/* \
+        && break || sleep 10; \
+    done
 
 WORKDIR /app
 
 # Install Python dependencies
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir --timeout=300 -r requirements.txt
 
-# Install RVC (Retrieval-based Voice Conversion) from source
-RUN git clone https://github.com/RVC-Project/Retrieval-based-Voice-Conversion-WebUI.git /app/rvc \
-    && cd /app/rvc \
-    && pip install --no-cache-dir -r requirements.txt
+# Install RVC from source with retry
+RUN for i in 1 2 3; do \
+      git clone --depth 1 https://github.com/RVC-Project/Retrieval-based-Voice-Conversion-WebUI.git /app/rvc \
+        && cd /app/rvc \
+        && pip install --no-cache-dir --timeout=300 -r requirements.txt \
+        && break || sleep 15; \
+    done
 
 # Copy application files
 COPY app.py .
 COPY inference.py .
+COPY download_models.py .
+
+# Run model download/setup
+RUN python download_models.py
 
 EXPOSE 7860