Add GPT-SoVITS Docker base

Dockerfile

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+FROM python:3.10-slim
+
+ENV DEBIAN_FRONTEND=noninteractive \
+    PYTHONUNBUFFERED=1 \
+    PIP_NO_CACHE_DIR=1 \
+    is_half=False \
+    is_share=False \
+    HF_HOME=/data/.cache/huggingface
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    git-lfs \
+    ffmpeg \
+    sox \
+    libsox-dev \
+    libsndfile1 \
+    build-essential \
+    curl \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+RUN git clone --depth 1 https://github.com/RVC-Boss/GPT-SoVITS.git .
+
+# Hugging Face Docker Spaces route traffic to port 7860.
+RUN python - <<'PY'
+from pathlib import Path
+path = Path('config.py')
+text = path.read_text()
+text = text.replace('webui_port_main = 9874', 'webui_port_main = 7860')
+path.write_text(text)
+PY
+
+RUN bash install.sh --device CPU --source HF
+
+EXPOSE 7860
+CMD ["python", "webui.py"]