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dockerfile: Keep track of buildtime metadata

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This commit build each images with the following arguments:

* IMAGE: Name of the image (e.g dockcross/base, dockcross/manylinux-x64, ...)
* VCS_REF: dockcross/dockcross commit from which this image is built
* VCS_URL: this repository obtained reading remote.origin.url
* BUILD_DATE: Date and time when the build was initiated

Then, within the Dockerfile, the metadata are associated with the image
using the "LABEL" instruction.
See https://docs.docker.com/engine/reference/builder/#/label

The corresponding labels can be found here:
http://label-schema.org/rc1/#build-time-labels

See #28
This commit is contained in:
Jean-Christophe Fillion-Robin
2016-10-30 23:57:04 -04:00
parent e378a9b336
commit cfcc7d6700
15 changed files with 183 additions and 5 deletions
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11
manylinux-x86/Dockerfile.in
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@ -36,3 +36,14 @@ RUN curl -O https://cmake.org/files/v3.6/cmake-3.6.2-Linux-i386.tar.gz && \
COPY linux-x86/linux32-entrypoint.sh /dockcross/
ENTRYPOINT ["/dockcross/linux32-entrypoint.sh"]
# Build-time metadata as defined at http://label-schema.org
ARG BUILD_DATE
ARG IMAGE
ARG VCS_REF
ARG VCS_URL
LABEL org.label-schema.build-date=$BUILD_DATE \
org.label-schema.name=$IMAGE \
org.label-schema.vcs-ref=$VCS_REF \
org.label-schema.vcs-url=$VCS_URL \
org.label-schema.schema-version="1.0"