funmixer/funmixer_container.def at main · AlexLipp/funmixer · GitHub

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Bootstrap: docker
From: ubuntu:22.04

%labels
    Author "Simon Mudd"
    Description "Ubuntu 22.04 + Miniforge (mamba) + conda env from requirements.yaml + funmixer"
    Base "ubuntu:22.04"
    Repo "https://github.com/AlexLipp/funmixer"

%files
    # Place requirements.yaml alongside this .def
    ./requirements.yaml /opt/env/requirements.yaml

%environment
    # Runtime env (NOT used during build)
    export CONDA_DIR=/opt/miniforge
    export MAMBA_ROOT_PREFIX=/opt/miniforge
    export ENV_NAME=funmixer
    export APP_HOME=/opt/src/funmixer
    # Put the env and conda on PATH at runtime
    export PATH=$CONDA_DIR/envs/$ENV_NAME/bin:$CONDA_DIR/bin:$PATH
    export PYTHONUNBUFFERED=1
    export PIP_NO_CACHE_DIR=1

%post
    # Build-time shell (variables must be set here to be usable now)
    set -eux
    export DEBIAN_FRONTEND=noninteractive

    # --- Define variables for build-time use ---
    CONDA_DIR=/opt/miniforge
    MAMBA_ROOT_PREFIX=/opt/miniforge
    ENV_NAME=funmixer
    APP_HOME=/opt/src/funmixer

    # --- OS packages (kept minimal but sufficient for most builds) ---
    apt-get update
    apt-get update && apt-get install -y \
        wget \
        ca-certificates \
        bzip2 \
        pkg-config \
        unzip \
        git \
        curl \
        tar \
	    libgdal-dev \
        gdal-bin \
	    vim \
        build-essential \
	    cmake \
        python3 \
        python3-pip \
        python3-gdal \
        && apt-get clean

    rm -rf /var/lib/apt/lists/*

    # --- Install Miniforge (brings conda + mamba) ---
    mkdir -p /tmp/mforge && cd /tmp/mforge
    ARCH="$(uname -m)"
    case "$ARCH" in
      x86_64)  INST="Miniforge3-Linux-x86_64.sh" ;;
      aarch64) INST="Miniforge3-Linux-aarch64.sh" ;;
      ppc64le) INST="Miniforge3-Linux-ppc64le.sh" ;;
      *) echo "Unsupported arch: $ARCH" >&2; exit 1 ;;
    esac
    curl -fsSL "https://github.com/conda-forge/miniforge/releases/latest/download/${INST}" -o miniforge.sh
    bash miniforge.sh -b -p "$CONDA_DIR"
    cd /
    rm -rf /tmp/mforge

    # Configure conda/mamba; no need to 'activate'
    "$CONDA_DIR/bin/conda" config --system --set always_yes yes --set changeps1 no
    "$CONDA_DIR/bin/conda" config --system --set auto_activate_base false
    "$CONDA_DIR/bin/conda" --version
    "$CONDA_DIR/bin/mamba" --version

    # CWD sanity check (should be /):
    pwd || true


    "$CONDA_DIR/bin/mamba" create -n "$ENV_NAME" -y \
            python=3.11 \
            cvxpy \
            cython \
            gdal \
            hypothesis \
            matplotlib \
            networkx \
            numpy \
            pandas \
            pygraphviz \
            pytest \
            tqdm \
            graphviz \


    # --- Create the conda env from requirements.yaml (with mamba) ---
    "$CONDA_DIR/envs/$ENV_NAME/bin/python" -m pip install --upgrade pip

    # --- Clone repo and install package into the env ---
    # This will install the latest version of funmixer
    mkdir -p /opt/src
    git clone --depth 1 https://github.com/AlexLipp/funmixer.git "$APP_HOME"
    "$CONDA_DIR/envs/$ENV_NAME/bin/pip" install --no-cache-dir "$APP_HOME"

    # --- Optional cleanup ---
    "$CONDA_DIR/bin/conda" clean -a -y || true
    rm -rf /root/.cache/pip

%runscript
    # Run Python from the conda env by default
    exec /opt/miniforge/envs/funmixer/bin/python "$@"

%test
    set -eux
    /opt/miniforge/envs/funmixer/bin/python -c "import sys, platform; print('PY:', sys.executable); print('VER:', platform.python_version())"