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# 使用官方 PyTorch 
FROM pytorch/pytorch:2.3.1-cuda11.8-cudnn8-runtime

# 切换到 root 用户以安装系统依赖
USER root

# 设置环境变量
ENV PYTHONUNBUFFERED=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_PREFER_BINARY=1 \
    NUMBA_CACHE_DIR=/tmp/numba_cache

# 设置工作目录
WORKDIR /app

# 安装系统依赖
# --- 在这里添加了 wget ---
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
      wget ffmpeg libsox-dev git \
      build-essential cmake ninja-build pkg-config && \
    rm -rf /var/lib/apt/lists/* && \
    mkdir -p /tmp/numba_cache && chmod -R 777 /tmp/numba_cache

# [双重
RUN mkdir -p /nltk_data && chmod 777 /nltk_data

# 克隆 GPT-SoVITS 仓库
RUN git clone --depth 1 https://github.com/RVC-Boss/GPT-SoVITS.git /app

# 安装 Python 依赖
RUN pip install --upgrade pip && \
    pip install --no-cache-dir -r /app/requirements.txt && \
    pip install --no-cache-dir --force-reinstall numpy==1.23.5 librosa==0.9.2 numba==0.56.4 && \
    pip install --no-cache-dir fastapi uvicorn soundfile huggingface_hub ffmpeg-python

# [双重保障-步骤2 / 关键修复]
# 在构建镜像时,预先下载好 NLTK 所需的所有数据包,包括新发现的 "averaged_perceptron_tagger_eng"
RUN python -c "import nltk; nltk.download('punkt', quiet=True, download_dir='/nltk_data'); nltk.download('averaged_perceptron_tagger', quiet=True, download_dir='/nltk_data'); nltk.download('averaged_perceptron_tagger_eng', quiet=True, download_dir='/nltk_data')"

# 预下载依赖模型
COPY download_support_models.py /app/download_support_models.py
RUN python /app/download_support_models.py || true

# --- START OF ADDED SECTION ---
# --- 从 Hugging Face Spaces 下载您自己的模型权重 ---

# 1. 定义权重文件的 URL
ARG GPT_URL="https://huggingface.co/spaces/snsbhg/1111/resolve/main/weights/shantianliang_proplus_e32.ckpt"
ARG SOVITS_URL="https://huggingface.co/spaces/snsbhg/1111/resolve/main/weights/shantianliang_proplus_e8_s192.pth"

# 2. 创建目标目录 (您原来的Dockerfile中已经有COPY指令隐式创建了父目录,这里确保一下)
RUN mkdir -p /app/pretrained_models/shantianliang

# 3. 下载文件到指定目录
RUN echo "--- Downloading model weights ---" && \
    wget -nv "$GPT_URL" -O /app/pretrained_models/shantianliang/shantianliang_proplus_e32.ckpt && \
    wget -nv "$SOVITS_URL" -O /app/pretrained_models/shantianliang/shantianliang_proplus_e8_s192.pth && \
    echo "--- Model weights downloaded successfully ---"
# --- END OF ADDED SECTION ---


# 复制您自己的权重文件和参考音频
# --- 将原来的 COPY weights 指令注释掉或删除 ---
# COPY weights/ /app/pretrained_models/shantianliang/
COPY reference_audio/ /app/reference_audio/

# 更改 /app 目录所有权,赋予运行时?
RUN chown -R 1000:1000 /app

# 暴露 API 端口
EXPOSE 7860

# 容器启动命令
CMD ["python", "api_v2.py", "-a", "0.0.0.0", "-p", "7860", "-c", "GPT_SoVITS/configs/tts_infer.yaml"]