dockerfile.run

pngcp

series of tools for PNG (Portable Network Graphics) images

Debian

RUN apt-get update && \
    apt-get install -y pngtools

Ubuntu

RUN apt-get update && \
    apt-get install -y pngtools

Kali Linux

RUN apt-get update && \
    apt-get install -y pngtools

Raspbian

RUN apt-get update && \
    apt-get install -y pngtools

click the source code to copy install pngcp on any operating system with command-not-found.com