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Build AgentGateway image #2

Build AgentGateway image

Build AgentGateway image #2

# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
name: Build AgentGateway image
on:
workflow_dispatch:
inputs:
repository:
description: AgentGateway repository
required: true
default: agentgateway/agentgateway
sha:
description: AgentGateway commit SHA
required: true
permissions:
contents: read
packages: write
jobs:
source:
runs-on: ubuntu-24.04
outputs:
sha: ${{ steps.source.outputs.sha }}
short_sha: ${{ steps.source.outputs.short_sha }}
steps:
- name: Checkout AgentGateway
uses: actions/checkout@v4
with:
repository: ${{ inputs.repository }}
ref: ${{ inputs.sha }}
persist-credentials: false
- name: Resolve source revision
id: source
run: |
echo "sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
echo "short_sha=$(git rev-parse --short=12 HEAD)" >> "$GITHUB_OUTPUT"
build:
needs: source
strategy:
fail-fast: false
matrix:
include:
- platform: linux/amd64
runner: ubuntu-24.04
artifact: linux-amd64
- platform: linux/arm64
runner: ubuntu-24.04-arm
artifact: linux-arm64
runs-on: ${{ matrix.runner }}
steps:
- name: Checkout AgentGateway
uses: actions/checkout@v4
with:
repository: ${{ inputs.repository }}
ref: ${{ needs.source.outputs.sha }}
persist-credentials: false
- name: Log in to GHCR
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Build and push by digest
id: build
uses: docker/build-push-action@v6
with:
context: .
platforms: ${{ matrix.platform }}
tags: ghcr.io/${{ github.repository }}/agentgateway
outputs: type=image,push-by-digest=true,name-canonical=true,push=true
build-args: |
VERSION=0.0.0-alpha.${{ needs.source.outputs.short_sha }}
GIT_REVISION=${{ needs.source.outputs.sha }}
- name: Export digest
run: |
mkdir -p "$RUNNER_TEMP/digests"
digest='${{ steps.build.outputs.digest }}'
touch "$RUNNER_TEMP/digests/${digest#sha256:}"
- name: Upload digest
uses: actions/upload-artifact@v4
with:
name: digest-${{ matrix.artifact }}
path: ${{ runner.temp }}/digests/*
if-no-files-found: error
retention-days: 1
push:
needs:
- source
- build
runs-on: ubuntu-24.04
steps:
- name: Download digests
uses: actions/download-artifact@v4
with:
path: ${{ runner.temp }}/digests
pattern: digest-linux-*
merge-multiple: true
- name: Log in to GHCR
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Push multi-architecture image
working-directory: ${{ runner.temp }}/digests
env:
IMAGE: ghcr.io/${{ github.repository }}/agentgateway:${{ needs.source.outputs.short_sha }}
run: |
docker buildx imagetools create \
--tag "$IMAGE" \
$(printf 'ghcr.io/${{ github.repository }}/agentgateway@sha256:%s ' *)
digest=$(docker buildx imagetools inspect "$IMAGE" --format '{{json .}}' | jq -r '.manifest.digest')
echo "$IMAGE@$digest" >> "$GITHUB_STEP_SUMMARY"