dockerfile.run

haml

Elegant, structured XHTML/XML templating engine

Debian

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

Ubuntu

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

Kali Linux

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

Fedora

RUN dnf install -y ruby-haml

Raspbian

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

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