dockerfile.run

Maintainer: Debian GCC Maintainers &lt;debian-gcc@lists.debian.org&gt;
Homepage: http://gcc.gnu.org/
Section: devel

g++-8

GNU C++ compiler

Debian

RUN apt-get update && \
    apt-get install -y g++-8

Ubuntu

RUN apt-get update && \
    apt-get install -y g++-8

Kali Linux

RUN apt-get update && \
    apt-get install -y g++-8

click the source code to copy install g++-8 on any operating system with command-not-found.com