The command '/bin/sh -c conda update conda' returned a non-zero code: 127

Hi there,

I’m on a Mac and trying to build a new container (new to Docker), I can get Anaconda installed fine and updating Anaconda from within the container works, however when I try to run conda update conda from the Dockerfile I get the below error:

What am I doing wrong?

Thanks!

The command '/bin/sh -c conda update conda' returned a non-zero code: 127

FROM ubuntu:18.04
RUN apt-get update && \
	apt-get -y install curl && \
	apt-get -y install python3 && \
	apt-get -y install python3-pip && \
	python3 -m pip install --upgrade pip && \
	apt-get -y install wget && \
	apt-get -y install vim && \
	pip3 install tensorflow && \
	pip3 install keras


RUN wget --quiet https://repo.anaconda.com/archive/Anaconda3-5.3.0-Linux-x86_64.sh -O ~/anaconda.sh && \
    /bin/bash ~/anaconda.sh -b -p /opt/conda && \
    rm ~/anaconda.sh && \
    ln -s /opt/conda/etc/profile.d/conda.sh /etc/profile.d/conda.sh && \
    echo ". /opt/conda/etc/profile.d/conda.sh" >> ~/.bashrc && \
    echo "conda activate base" >> ~/.bashrc

RUN conda update conda
RUN conda install opencv
RUN conda install matplotlib
RUN conda install pandas
RUN conda install seaborn