Updated conda base image for Rocky9 and to use mamba

USER root

# Configure environment

ENV CONDA_HOME /opt/conda

ENV PATH $CONDA_HOME/bin:$PATH

ENV MAMBA_HOME /opt/conda

ENV PATH $MAMBA_HOME/bin:$PATH

# Don't buffer stdout and stderr as it breaks realtime logging

ENV PYTHONUNBUFFERED 1

# Install and configure Conda

ENV CONDA_VERSION=py37_4.8.3

RUN curl -fsSL -o miniconda.sh https://repo.anaconda.com/miniconda/Miniconda3-$CONDA_VERSION-Linux-x86_64.sh && \

    echo "bb2e3cedd2e78a8bb6872ab3ab5b1266a90f8c7004a22d8dc2ea5effeb6a439a *miniconda.sh" | sha256sum --check - && \

    /bin/bash miniconda.sh -f -b -p $CONDA_HOME && \

    rm miniconda.sh && \

    echo "conda ${CONDA_VERSION}" >> $CONDA_HOME/conda-meta/pinned && \

    conda config --system --prepend channels conda-forge && \

ARG CONDA_VERSION=23.11.0

ARG MF_RELEASE=0

ARG MF_MD5SUM=ee57176f95c313b23850e0221498f8e8

ARG MF_VERSION=$CONDA_VERSION-$MF_RELEASE

ARG INSTALLER=miniconda.sh

ARG ACTIVATE_SCRIPT=/usr/local/bin/mamba_activate.sh

RUN curl -fsSL -o $INSTALLER https://github.com/conda-forge/miniforge/releases/download/$MF_VERSION/Miniforge3-$MF_VERSION-Linux-x86_64.sh && \

    echo "${MF_MD5SUM} ${INSTALLER}" | md5sum --check - && \

    /bin/bash $INSTALLER -f -b -p $MAMBA_HOME && \

    rm $INSTALLER && \

    echo "conda ${CONDA_VERSION}" >> $MAMBA_HOME/conda-meta/pinned && \

    ${MAMBA_HOME}/bin/conda shell.bash hook > $ACTIVATE_SCRIPT && \

    . $ACTIVATE_SCRIPT && \

    conda config --system --set auto_update_conda false && \

    conda config --system --set show_channel_urls true && \

    conda install --quiet --yes conda && \

    conda update --all --quiet --yes && \

    conda list python | grep '^python ' | tr -s ' ' | cut -d '.' -f 1,2 | sed 's/$/.*/' >> $CONDA_HOME/conda-meta/pinned && \

    mamba update --all --quiet --yes && \

    conda list python | grep '^python ' | tr -s ' ' | cut -d '.' -f 1,2 | sed 's/$/.*/' >> $MAMBA_HOME/conda-meta/pinned && \

    conda clean --all -f -y

USER $ESGF_UID