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docker-images

These docker images are used to build software for different target systems.

Originally used by prebuildify-cross, these images were modified by Contrast Security, Inc. so they had fewer dependencies.

All images include Node.js LTS, Python 3.x, npm and a build toolchain suitable for node-gyp and prebuildify.

using the images

The primary changes are that the containers now require that the repo be mapped to /repo, entrypoint is set to sh, and cmd is set to scripts/build-generic.sh with an argument of the image name, e.g., centos7. You'll typically want to set the user when you invoke the image; if you don't you'll have to make sure the file/directory permissions will work.

From centos7/Dockerfile:

ENTRYPOINT ["sh"]
CMD ["scripts/build-generic.sh", "centos7"]

How to invoke the centos7 image (to build from my local copy of node-fn-inspect):

# typical usage is to set the user to the user invoking the image so that the
# permissions are effectively inherited.

docker run -v /home/bruce/github/csi/fn-inspect:/repo -u $(id -u) ghcr.io/contrast-security-oss/centos7

# The docker image will invoke `/home/bruce/github/csi/fn-inspect/scripts/build-generic.sh`
# as a shell script with the argument `centos7` (the name of the image). The command that is
# executed is relative to `/repo`, so it will be:
#
# `sh scripts/build-generic.sh centos7`

A more minor change is to not create the node user in the centos7 image. It's not needed and had the potential to create permissions issues.

build-generic.sh

The build-generic.sh script can be invoked from images that do not have bash, so your script must be Posix-compliant in order to work with ash, dash, etc.

Of course, you can use --entrypoint or run a command other than scripts/build-generic.sh if your use case calls for it.

limitations

Only the images required by Contrast Security, Inc. are built and published at this time. If you're using the images and need another target, let us know; we'll add it.

releasing

Create a version tag of the form vX.Y.Z and push it to master.

License

GPL-3.0-only © 2019 prebuild contributors. 2024 Contrast Security, Inc.