# syntax=docker/dockerfile:1.7

# CAT-BODHI Sprite Segmentation API
# Node.js + Python + PyTorch in one container
#
# Build (CPU, default):
#   docker build -t cat-bodhi .
# Build (GPU, requires nvidia-container-toolkit):
#   docker build --build-arg TORCH_INDEX=https://download.pytorch.org/whl/cu126 -t cat-bodhi .

FROM python:3.11-slim

ARG NODE_MAJOR=22
ARG TORCH_INDEX=https://download.pytorch.org/whl/cpu
ARG PIP_MIRROR=https://pypi.tuna.tsinghua.edu.cn/simple
ARG CAT_BODHI_REF=eaf9d27b4ebe3821da983106a78aa1c745532527
ARG CAT_BODHI_ARCHIVE_SHA256=73257f7c9832dd06f958e43cc41d1dccff91788fe49d5384c104d24c75862d4d

# 中科大 Debian 镜像源
RUN sed -i 's|http://deb.debian.org/debian|https://mirrors.ustc.edu.cn/debian|g' /etc/apt/sources.list.d/debian.sources \
    && sed -i 's|http://deb.debian.org/debian-security|https://mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list.d/debian.sources

# 安装 Node.js LTS
RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates curl gnupg \
    && mkdir -p /etc/apt/keyrings \
    && curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg \
    && echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_${NODE_MAJOR}.x nodistro main" > /etc/apt/sources.list.d/nodesource.list \
    && apt-get update && apt-get install -y --no-install-recommends nodejs \
    && rm -rf /var/lib/apt/lists/*

# 安装 PyTorch（从官方 index）+ 其他 Python 包（从清华镜像）
RUN pip install --no-cache-dir \
    --index-url ${TORCH_INDEX} \
    --extra-index-url ${PIP_MIRROR} \
    torch torchvision \
    opencv-python-headless \
    numpy \
    Pillow

WORKDIR /app
RUN curl -fL --retry 5 --retry-all-errors --connect-timeout 20 \
      "https://codeload.github.com/ziyuezhou1/CAT-BODHI/tar.gz/${CAT_BODHI_REF}" \
      -o /tmp/cat-bodhi.tar.gz \
    && echo "${CAT_BODHI_ARCHIVE_SHA256}  /tmp/cat-bodhi.tar.gz" | sha256sum -c - \
    && tar -xzf /tmp/cat-bodhi.tar.gz --strip-components=1 -C /app \
    && rm /tmp/cat-bodhi.tar.gz \
    && mkdir -p assets/ai/cats assets/ai/beads

EXPOSE 8080
ENV PORT=8080
CMD ["node", "server.mjs"]