Files
vllm-omni/.buildkite/cuda/scripts/build-ci-image.sh
T
7d5376f215 [CI/Perf] Optimize Docker Caching (#5133)
Signed-off-by: Alex Brooks <albrooks@redhat.com>
Signed-off-by: Doug Smith <dougbtv@gmail.com>
Co-authored-by: dougbtv <dosmith@redhat.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
2026-07-22 19:14:55 -06:00

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#!/bin/bash
set -euo pipefail
# Build and push the CI Docker image with registry-based layer caching.
#
# Usage: build-ci-image.sh
#
# Expects the following environment variables (set by Buildkite):
# BUILDKITE_COMMIT - commit SHA used as the image tag
ECR_NAMESPACE="public.ecr.aws/q9t5s3a7"
REGISTRY="${ECR_NAMESPACE}/vllm-ci-test-repo"
REGION="us-east-1"
DOCKERFILE="docker/Dockerfile.ci"
BUILDER_NAME="vllm-omni-builder"
# Ensure that the env vars are actually set, otherwise exit early
if [ -z "${BUILDKITE_COMMIT:-}" ]; then
echo "ERROR: BUILDKITE_COMMIT is not set"
exit 1
fi
echo "BUILDKITE_COMMIT: ${BUILDKITE_COMMIT}"
# Authenticate to ECR Public
aws ecr-public get-login-password --region "$REGION" \
| docker login --username AWS --password-stdin "$ECR_NAMESPACE"
# Compute the cache tag for the dependencies image as the hash of the contents.
# This is because dependencies don't change often, so most PRs will have the same hash.
#
# The Dockerfile is also included to avoid churn in the cached image based on the vLLM version.
DEP_FILES="pyproject.toml setup.py requirements/*.txt docker/Dockerfile.ci"
CACHE_KEY=$(cat ${DEP_FILES} | sha256sum | cut -c1-16)
CACHE_TAG="deps-cache-${CACHE_KEY}"
echo "Cache key: ${CACHE_TAG}"
# Set up buildx with docker-container driver; we need to do this
# since cache export is not supported for the default docker driver
# that is running in the CI.
docker buildx inspect $BUILDER_NAME >/dev/null 2>&1 \
|| docker buildx create --name $BUILDER_NAME --driver docker-container
docker buildx use $BUILDER_NAME
echo "Building image tag: ${REGISTRY}:${BUILDKITE_COMMIT}"
# Build + push the image to the registry, using the hash from the dependencies.
# Note that the caching here is layerwise, so we're just making sure we always
# can cache hit on everything but the last copy at the moment.
docker buildx build --push --progress=plain \
--cache-from "type=registry,ref=${REGISTRY}:${CACHE_TAG}" \
--cache-to "type=registry,ref=${REGISTRY}:${CACHE_TAG},mode=max,compression=zstd" \
--file "$DOCKERFILE" \
-t "${REGISTRY}:${BUILDKITE_COMMIT}" .