Dockerfile

FROM ubuntu:20.04
ARG MINIF="miniforge"
ARG MINIF_VERSION="24.11.0-1"
ARG MINIF_URL="https://github.com/conda-forge/${MINIF}/releases/download/${MINIF_VERSION}/Miniforge3-${MINIF_VERSION}-Linux-x86_64.sh"

# install core pkgs, miniforge
RUN apt-get update && \
    apt-get install --yes --no-install-recommends \
    bash bzip2 curl less wget zip ca-certificates && \
    apt-get clean && \
    curl --silent -L "${MINIF_URL}" -o "${MINIF}.sh" && \
    /bin/bash "${MINIF}.sh" -b -p "/opt/${MINIF}/" && \
    rm "${MINIF}.sh"

# create conda env
ENV PATH="/opt/${MINIF}/bin:$PATH"
ARG CONDA_ENV_DIR="/home/conda_envs"
ARG PKG_LOCK="rnasum-linux-64.lock"
COPY "./deploy/conda/env/lock/${PKG_LOCK}" "${CONDA_ENV_DIR}/"
RUN conda create -n "rnasum_env" --file "${CONDA_ENV_DIR}/${PKG_LOCK}"
RUN conda clean --all --force-pkgs-dirs --yes

# Now copy env to smaller image
FROM quay.io/bioconda/base-glibc-debian-bash:3.1
COPY --from=0 "/opt/miniforge/envs/" "/opt/miniforge/envs/"

# env is activated by default
ARG MINIF="miniforge"
ARG CONDA_ENV_NAME="rnasum_env"
ENV PATH="/opt/${MINIF}/envs/${CONDA_ENV_NAME}/bin:${PATH}"
ENV CONDA_PREFIX="/opt/${MINIF}/envs/${CONDA_ENV_NAME}"

CMD [ "rnasum.R" ]