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Question Shane M Elliott · Mar 30, 2022

IRIS Docker Image Timezone

I am working on a setup using the iris docker image (iris:2020.4.0.547.0). I need the timezone to be a different timezone than the host. Is there a way to do that by passing in an options / variable?

Product version: IRIS 2020.1

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Shane M Elliott · Mar 30, 2022

I found a way to do it. you just mount /etc/localtime to the correct file on the host.

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Bob Kuszewski · Mar 30, 2022

I like to bake the timezone into the container when I build it. That way it'll have the correct timezone no matter where I run it. Here's an example Dockerfile based on the latest IRIS container that sets the container's timezone to Pacific (aka America/Los_Angeles).

FROM intersystemsdc/iris-community
USER root
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && \
    apt-get install -yq tzdata && \
    ln -fs /usr/share/zoneinfo/America/Los_Angeles /etc/localtime && \
    dpkg-reconfigure -f noninteractive tzdata
USER irisowner

You can then do a docker build . to create the container, docker image ls, and docker run

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