dockerfile.run

local

Declare local variables and give them attributes. More information: <https://www.gnu.org/software/bash/manual/bash.html#Bash-Builtins>.

Debian

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

Ubuntu

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

Alpine

RUN apk add postfix

Arch Linux

RUN pacman -S --noconfirm postfix

Kali Linux

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

CentOS

RUN yum install -y postfix

Fedora

RUN dnf install -y postfix

Raspbian

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

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