img2txt
Convert images to colour ASCII characters and output them to text-based coloured files. More information: <https://manned.org/img2txt>.
RUN apt-get update && \
apt-get install -y caca-utils
RUN apt-get update && \
apt-get install -y caca-utils
RUN apk add libcaca
RUN pacman -S --noconfirm libcaca
RUN apt-get update && \
apt-get install -y caca-utils
RUN dnf install -y caca-utils
RUN apt-get update && \
apt-get install -y caca-utils