dockerfile.run – envsubst

envsubst

Substitutes environment variables with their value in shell format strings. Variables to be replaced should be in either ${var} or $var format. More information: <https://www.gnu.org/software/gettext/manual/html_node/envsubst-Invocation.html>.

Maintainer: Santiago Vila <[email protected]>
Homepage: http://www.gnu.org/software/gettext/
Section: utils

Debian

RUN apt-get update && \
    apt-get install -y gettext-base

Ubuntu

RUN apt-get update && \
    apt-get install -y gettext-base

Alpine

RUN apk add gettext

Arch Linux

RUN pacman -S --noconfirm gettext

Kali Linux

RUN apt-get update && \
    apt-get install -y gettext-base

CentOS

RUN yum install -y gettext

Fedora

RUN dnf install -y gettext

Raspbian

RUN apt-get update && \
    apt-get install -y gettext-base

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