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* Allows more customizations for image building. This is the third (and not last) part of making the Production image more corporate-environment friendly. It's been prepared for the request of one of the big Airflow user (company) that has rather strict security requirements when it comes to preparing and building images. They are committed to synchronizing with the progress of Apache Airflow 2.0 development and making the image customizable so that they can build it using only sources controlled by them internally was one of the important requirements for them. This change adds the possibilty of customizing various steps in the build process: * adding custom scripts to be run before installation of both build image and runtime image. This allows for example to add installing custom GPG keys, and adding custom sources. * customizing the way NodeJS and Yarn are installed in the build image segment - as they might rely on their own way of installation. * adding extra packages to be installed during both build and dev segment build steps. This is crucial to achieve the same size optimizations as the original image. * defining additional environment variables (for example environment variables that indicate acceptance of the EULAs in case of installing proprietary packages that require EULA acceptance - both in the build image and runtime image (again the goal is to keep the image optimized for size) The image build process remains the same when no customization options are specified, but having those options increases flexibility of the image build process in corporate environments. This is part of #11171. This change also fixes some of the issues opened and raised by other users of the Dockerfile. Fixes: #10730 Fixes: #10555 Fixes: #10856 Input from those issues has been taken into account when this change was designed so that the cases described in those issues could be implemented. Example from one of the issue landed as an example way of building highly customized Airflow Image using those customization options. Depends on #11174 * Update IMAGES.rst Co-authored-by: Kamil Breguła <mik-laj@users.noreply.github.com> |
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