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layout: page title: Velox Backend CI nav_order: 6 parent: Developer Overview

Velox Backend CI

GHA workflows are defined under .github/workflows/.

Docker Build

We have a weekly job defined in docker_image.yml to build docker images based on Dockerfile.centos7-static-build and Dockerfile.centos8-dynamic-build for CI verification.

Vcpkg Caching

Gluten main branch is pulled down during docker build. And vcpkg will cache binary data of all dependencies defined under dev/vcpkg. These binary data is cached into /var/cache/vcpkg and CI job can re-use them in new build. By setting VCPKG_BINARY_SOURCES=clear in env., reusing vcpkg cache can be disabled.

Arrow Libs Pre-installation

Arrow libs are pre-installed in docker, assuming they are not actively changed, then not necessarily to be re-built every time.

Updating Docker Image

Two GitHub secrets DOCKERHUB_USER & DOCKERHUB_TOKEN can be used to push docker image to docker hub: https://hub.docker.com/r/apache/gluten/tags. Note GitHub secrets are not retrievable in PR from forked repo.