dockerfile.run

rackup

2.0.6-3.fc30.noarch : A modular Ruby webserver interface

Debian

RUN apt-get update && \
    apt-get install -y ruby-rack

Ubuntu

RUN apt-get update && \
    apt-get install -y ruby-rack1.4

Alpine

RUN apk add ruby-rack

Arch Linux

RUN pacman -S --noconfirm metasploit

Kali Linux

RUN apt-get update && \
    apt-get install -y metasploit-framework

CentOS

RUN yum install -y pcs

Fedora

RUN dnf install -y pcs

Raspbian

RUN apt-get update && \
    apt-get install -y ruby-rack1.4

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