Dockerfile

FROM python:3.10-slim

# Force fresh rebuilds when needed (change value to bust cache)
ARG CACHE_BUST=20260225_1

# System deps (git required for cloning GPT-SoVITS)
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    ffmpeg \
    libsndfile1 \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# (Optional but nice) confirm Python/pip versions in build logs
RUN python --version && pip --version

RUN apt-get update && apt-get install -y ffmpeg && rm -rf /var/lib/apt/lists/*

# CPU Torch for build/testing (GPU hardware on Space is still recommended for speed)
RUN pip install --no-cache-dir torch==2.1.2 torchaudio==2.1.2 --index-url https://download.pytorch.org/whl/cpu

# Copy requirements first for better layer caching
COPY requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r /app/requirements.txt

# Clone GPT-SoVITS into the exact path app.py expects, and VERIFY in build logs
RUN git --version && \
    git clone --depth 1 https://github.com/RVC-Boss/GPT-SoVITS.git /app/GPT-SoVITS && \
    ls -la /app && \
    test -d /app/GPT-SoVITS && \
    echo "✅ GPT-SoVITS cloned successfully"

# Copy the rest of your Space files (app.py, models, wav, README, etc.)
COPY . /app

# Ensure outputs/cache dirs exist
RUN mkdir -p /app/outputs /app/hf_cache

# Helpful startup sanity check script (optional but very useful)
RUN printf '%s\n' \
    '#!/bin/sh' \
    'echo "===== STARTUP CHECK ====="' \
    'python --version' \
    'echo "PWD: $(pwd)"' \
    'ls -la /app | head -200' \
    'if [ -d /app/GPT-SoVITS ]; then echo "✅ /app/GPT-SoVITS exists"; else echo "❌ /app/GPT-SoVITS missing"; fi' \
    'echo "========================="' \
    'exec python app.py' \
    > /app/start.sh && chmod +x /app/start.sh

# Non-root user (HF-friendly)
RUN useradd -m -u 1000 user && chown -R user:user /app
USER user

ENV HF_HOME=/app/hf_cache
ENV PYTHONUNBUFFERED=1
ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860

EXPOSE 7860

# IMPORTANT: app.py is Gradio
CMD ["/app/start.sh"]