Build #83

	name: Build

	on:
	workflow_dispatch:
	schedule:
	- cron: '0 8 * * 1,4' # midnight US/Pacific on Sundays and Wednesdays
	pull_request:
	branches:
	- main
	- "release-[0-9].[0-9]+"
	paths-ignore:
	- "**.md"
	push:
	branches:
	- main
	- "release-[0-9].[0-9]+"
	tags:
	- "v*"
	paths-ignore:
	- "**.md"

	env:
	IMAGE_NAME: "kserve/rest-proxy"

	jobs:
	build:
	runs-on: ubuntu-latest
	env:
	CI: true
	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: Setup QEMU
	uses: docker/setup-qemu-action@v2

	- name: Setup Docker Buildx
	uses: docker/setup-buildx-action@v2

	- name: Login to DockerHub
	if: github.event_name == 'push'
	uses: docker/login-action@v2
	with:
	username: ${{ secrets.DOCKER_USER }}
	password: ${{ secrets.DOCKER_ACCESS_TOKEN }}

	- name: Export docker build args
	run: \|
	# Strip git ref prefix from version
	VERSION=$(echo "${{ github.ref }}" \| sed -e 's,./$.$,\1,')

	# Generate PR tag from github.ref == "refs/pull/123/merge"
	[ "$VERSION" == "merge" ] && VERSION=$(echo "${{ github.ref }}" \| sed -e 's,refs/pull/$.*$/merge,pr-\1,')

	# Use Docker `latest` tag convention
	[ "$VERSION" == "main" ] && VERSION=latest

	echo "IMAGE_TAG=$VERSION" >> $GITHUB_ENV

	# print env vars for debugging
	cat "$GITHUB_ENV"

	- name: Build and push runtime image
	uses: docker/build-push-action@v4
	with:
	platforms: linux/amd64,linux/arm64,linux/ppc64le,linux/s390x
	context: .
	target: runtime
	push: ${{ github.event_name != 'pull_request' }}
	tags: ${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
	cache-from: type=gha
	cache-to: type=gha,mode=max

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