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support/docker/Dockerfile: use correct ENV syntax

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buildx correctly complains about our ENV lines:

3 warnings found (use docker --debug to expand):
- LegacyKeyValueFormat: "ENV key=value" should be used instead of legacy "ENV key value" format (line 21)
- LegacyKeyValueFormat: "ENV key=value" should be used instead of legacy "ENV key value" format (line 94)
- LegacyKeyValueFormat: "ENV key=value" should be used instead of legacy "ENV key value" format (line 95)

The ENV syntax is defined as ENV FOO=BAR, not ENV FOO BAR, so adjust the
Dockerfile to match to get rid of this warning.

https://docs.docker.com/reference/dockerfile/#env

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Korsgaard
2025-02-12 11:24:30 +01:00
parent 3bc94471ca
commit 03b0379426
1 changed files with 3 additions and 3 deletions
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6
support/docker/Dockerfile
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@@ -18,7 +18,7 @@ description="Container with everything needed to run Buildroot"
ARG TAR_VERSION="1.35"
# Setup environment
ENV DEBIAN_FRONTEND noninteractive
ENV DEBIAN_FRONTEND=noninteractive
# This repository can be a bit slow at times. Don't panic...
COPY apt-sources.list /etc/apt/sources.list
@@ -91,5 +91,5 @@ RUN useradd -ms /bin/bash br-user && \
USER br-user
WORKDIR /home/br-user
ENV HOME /home/br-user
ENV LC_ALL en_US.UTF-8
ENV HOME=/home/br-user
ENV LC_ALL=en_US.UTF-8