FROM nvidia/cuda:12.1.1-cudnn8-runtime-ubuntu22.04

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONUNBUFFERED=1

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 python3-pip \
    git wget \
    && rm -rf /var/lib/apt/lists/*

RUN ln -sf /usr/bin/python3 /usr/bin/python

# Install PyTorch with CUDA 12.1 (downgraded from 2.6.0 -- no cu121 wheels for 2.6+)
RUN pip install --no-cache-dir \
    torch==2.5.1 torchvision==0.20.1 torchaudio==2.5.1 \
    --index-url https://download.pytorch.org/whl/cu121

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

RUN git clone https://github.com/yermandy/deepfake-detection.git model_code

RUN mkdir -p model_code/weights && \
    wget https://huggingface.co/yermandy/deepfake-detection/resolve/main/model.ckpt -O model_code/weights/model.ckpt

ENV HF_HOME=/app/huggingface_cache
ENV TRANSFORMERS_CACHE=/app/huggingface_cache
ENV HF_HUB_CACHE=/app/huggingface_cache
RUN mkdir -p $HF_HOME

RUN pip install --no-cache-dir --upgrade transformers

RUN python -c "from transformers import CLIPProcessor, CLIPModel; \
    CLIPProcessor.from_pretrained('openai/clip-vit-base-patch16'); \
    CLIPProcessor.from_pretrained('openai/clip-vit-base-patch32'); \
    CLIPProcessor.from_pretrained('openai/clip-vit-large-patch14'); \
    CLIPProcessor.from_pretrained('openai/clip-vit-large-patch14-336'); \
    CLIPModel.from_pretrained('openai/clip-vit-large-patch14')"

COPY app.py .

ENV MODEL_PORT=5002
ENV MODEL_PATH=model_code/weights/model.ckpt
ENV PRELOAD_MODEL="false"
ENV MODEL_TIMEOUT="600"
ENV PYTHONPATH=/app/model_code:/app/model_code/src:$PYTHONPATH

EXPOSE ${MODEL_PORT}

RUN adduser --disabled-password --gecos '' appuser
USER appuser

CMD ["python", "app.py"]