FROM python:3.11-slim AS builder
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential cmake git ffmpeg && \
    rm -rf /var/lib/apt/lists/*
WORKDIR /build
RUN git clone --depth 1 https://github.com/ggml-org/whisper.cpp .
RUN cmake -B build -DCMAKE_BUILD_TYPE=Release && \
    cmake --build build -j --config Release --target whisper-cli

FROM python:3.11-slim
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg libsndfile1 && rm -rf /var/lib/apt/lists/*
WORKDIR /app

COPY --from=builder /build/build/bin/whisper-cli /usr/local/bin/whisper-cli
COPY --from=builder /build/build/src/libwhisper.so* /usr/local/lib/
RUN ldconfig

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY . .

RUN mkdir -p /app/dataset/audio /app/static && chmod -R 777 /app/dataset /app/static
EXPOSE 7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]