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toddlers/Dockerfile

Created July 27, 2016 11:24
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using envsubst in Dockerfile
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Dockerfile
FROM ubuntu:trusty
RUN \
apt-get update \
&& apt-get -y install gettext-base \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*
ENV VALUE=foo
ENV VALUE1=boo
COPY config.txt source_config.txt
RUN envsubst < "source_config.txt" > "config.txt"
@saladinjake
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Update available packages in Debian

RUN apt-get update

CMD export VALUE=foo &&
export VALUE1=$(cmd to get value1) &&
envsubst < "source_config.txt" > "config.txt"

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