# syntax=docker/dockerfile:1

# NOTE: Building this image require's docker version >= 23.0.
#
# For reference:
# - https://docs.docker.com/build/dockerfile/frontend/#stable-channel

ARG BASE_IMAGE=ubuntu:22.04
ARG PYTHON_VERSION=3.11

FROM ${BASE_IMAGE} as dev-base
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
        build-essential \
        ca-certificates \
        ccache \
        cmake \
        curl \
        git \
        libjpeg-dev \
        libpng-dev && \
    rm -rf /var/lib/apt/lists/*
RUN /usr/sbin/update-ccache-symlinks
RUN mkdir /opt/ccache && ccache --set-config=cache_dir=/opt/ccache
ENV PATH /opt/conda/bin:$PATH

FROM dev-base as conda
ARG PYTHON_VERSION=3.11
# Automatically set by buildx
ARG TARGETPLATFORM
# translating Docker's TARGETPLATFORM into miniconda arches
RUN case ${TARGETPLATFORM} in \
         "linux/arm64")  MINICONDA_ARCH=aarch64  ;; \
         *)              MINICONDA_ARCH=x86_64   ;; \
    esac && \
    curl -fsSL -v -o ~/miniconda.sh -O  "https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-${MINICONDA_ARCH}.sh"
COPY requirements.txt .
# Manually invoke bash on miniconda script per https://github.com/conda/conda/issues/10431
RUN chmod +x ~/miniconda.sh && \
    bash ~/miniconda.sh -b -p /opt/conda && \
    rm ~/miniconda.sh && \
    /opt/conda/bin/conda install -y python=${PYTHON_VERSION} cmake conda-build pyyaml numpy ipython && \
    /opt/conda/bin/python -mpip install -r requirements.txt && \
    /opt/conda/bin/conda clean -ya

FROM dev-base as submodule-update
WORKDIR /opt/pytorch
COPY . .
RUN git submodule update --init --recursive

FROM conda as build
ARG CMAKE_VARS
WORKDIR /opt/pytorch
COPY --from=conda /opt/conda /opt/conda
COPY --from=submodule-update /opt/pytorch /opt/pytorch
RUN make triton
RUN --mount=type=cache,target=/opt/ccache \
    export eval ${CMAKE_VARS} && \
    TORCH_CUDA_ARCH_LIST="7.0 7.2 7.5 8.0 8.6 8.7 8.9 9.0 9.0a" TORCH_NVCC_FLAGS="-Xfatbin -compress-all" \
    CMAKE_PREFIX_PATH="$(dirname $(which conda))/../" \
    python setup.py install

FROM conda as conda-installs
ARG PYTHON_VERSION=3.11
ARG CUDA_VERSION=12.1
ARG CUDA_CHANNEL=nvidia
ARG INSTALL_CHANNEL=pytorch-nightly
# Automatically set by buildx
RUN /opt/conda/bin/conda update -y -n base -c defaults conda
RUN /opt/conda/bin/conda install -c "${INSTALL_CHANNEL}" -y python=${PYTHON_VERSION}

ARG TARGETPLATFORM

# On arm64 we can only install wheel packages.
RUN case ${TARGETPLATFORM} in \
         "linux/arm64")  pip install --extra-index-url https://download.pytorch.org/whl/cpu/ torch torchvision torchaudio ;; \
         *)              /opt/conda/bin/conda install -c "${INSTALL_CHANNEL}" -c "${CUDA_CHANNEL}" -y "python=${PYTHON_VERSION}" pytorch torchvision torchaudio "pytorch-cuda=$(echo $CUDA_VERSION | cut -d'.' -f 1-2)"  ;; \
    esac && \
    /opt/conda/bin/conda clean -ya
RUN /opt/conda/bin/pip install torchelastic
RUN IS_CUDA=$(python -c 'import torch ; print(torch.cuda._is_compiled())'); \
    echo "Is torch compiled with cuda: ${IS_CUDA}"; \
    if test "${IS_CUDA}" != "True" -a ! -z "${CUDA_VERSION}"; then \
        exit 1; \
    fi

FROM ${BASE_IMAGE} as official
ARG PYTORCH_VERSION
ARG TRITON_VERSION
ARG TARGETPLATFORM
ARG CUDA_VERSION
LABEL com.nvidia.volumes.needed="nvidia_driver"
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
        ca-certificates \
        libjpeg-dev \
        libpng-dev \
        && rm -rf /var/lib/apt/lists/*
COPY --from=conda-installs /opt/conda /opt/conda
RUN if test -n "${TRITON_VERSION}" -a "${TARGETPLATFORM}" != "linux/arm64"; then \
        DEBIAN_FRONTEND=noninteractive apt install -y --no-install-recommends gcc; \
        rm -rf /var/lib/apt/lists/*; \
    fi
ENV PATH /opt/conda/bin:$PATH
ENV NVIDIA_VISIBLE_DEVICES all
ENV NVIDIA_DRIVER_CAPABILITIES compute,utility
ENV LD_LIBRARY_PATH /usr/local/nvidia/lib:/usr/local/nvidia/lib64
ENV PATH /usr/local/nvidia/bin:/usr/local/cuda/bin:$PATH
ENV PYTORCH_VERSION ${PYTORCH_VERSION}
WORKDIR /workspace

FROM official as dev
# Should override the already installed version from the official-image stage
COPY --from=build /opt/conda /opt/conda