installing conda packages in docker via dockerfile

user_8176763 0
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I have a Dockerfile recipe:

FROM ubuntu:18.04
ENV PATH="/root/miniconda3/bin:${PATH}"
ARG PATH="/root/miniconda3/bin:${PATH}"
SHELL ["/bin/bash", "-c"]
RUN apt-get update

RUN apt-get install -y wget && rm -rf /var/lib/apt/lists/*

RUN wget \
    https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh \
    && mkdir /root/.conda \
    && bash Miniconda3-latest-Linux-x86_64.sh -b \
    && rm -f Miniconda3-latest-Linux-x86_64.sh 
 
RUN exec bash \
    && . /root/.bashrc \
    && conda init bash \
    && conda activate \
    && conda install -y pandas=1.3

When I use the command:

docker build -t myimage .

The image builds fine, however pandas is not installed. How can I install packages in conda using a dockerfile ??

docker
2 Answers

I managed to get done like that:

ARG UBUNTU_VER=18.04
ARG CONDA_VER=latest
ARG OS_TYPE=x86_64
ARG PY_VER=3.9
ARG PANDAS_VER=1.3

FROM ubuntu:${UBUNTU_VER}
# System packages 
RUN apt-get update && apt-get install -yq curl wget jq vim

# Use the above args 
ARG CONDA_VER
ARG OS_TYPE
# Install miniconda to /miniconda
RUN curl -LO "http://repo.continuum.io/miniconda/Miniconda3-${CONDA_VER}-Linux-${OS_TYPE}.sh"
RUN bash Miniconda3-${CONDA_VER}-Linux-${OS_TYPE}.sh -p /miniconda -b
RUN rm Miniconda3-${CONDA_VER}-Linux-${OS_TYPE}.sh
ENV PATH=/miniconda/bin:${PATH}
RUN conda update -y conda
RUN conda init

ARG PY_VER
ARG PANDAS_VER
# Install packages from conda 
RUN conda install -c anaconda -y python=${PY_VER}
RUN conda install -c anaconda -y \
    pandas=${PANDAS_VER}
user_81767630

As most as possible, if the software is available as "static" binary, use Docker multi-stages or "COPY from":

# Will copy from existing Docker image
COPY --from=continuumio/miniconda3:4.12.0 /opt/conda /opt/conda

ENV PATH=/opt/conda/bin:$PATH

# Usage examples
RUN set -ex && \
    conda config --set always_yes yes --set changeps1 no && \
    conda info -a && \
    conda config --add channels conda-forge && \
    conda install --quiet --freeze-installed -c main conda-pack

So you dont need to install curl / gzip / wget first in the image, code is cleaner & smaller end cached is better.

user_4473440
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