Update build.yml to limit execution #22

	name: Build Docker Images

	on:
	pull_request:
	push:
	branches:
	- main
	- release/*
	tags: '*'
	release:
	types:
	- created

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- dockerfile: ./HadesAPI/Dockerfile
	image: ghcr.io/mtze/hades/hades-api
	- dockerfile: ./HadesScheduler/Dockerfile
	image: ghcr.io/mtze/hades/hades-schduler-k8s
	steps:
	- name: Compute Tag
	uses: actions/github-script@v6
	id: compute-tag
	with:
	result-encoding: string
	script: \|
	if (context.eventName === "pull_request") {
	return "pr-" + context.issue.number;
	}
	if (context.eventName === "push") {
	if (context.ref.startsWith("refs/tags/")) {
	return context.ref.slice(10);
	}
	if (context.ref === "refs/heads/develop") {
	return "develop";
	}
	}
	return "latest";

	- name: Checkout
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Log in to the Container registry
	uses: docker/login-action@v2
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v2
	with:
	platforms: all

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

	- name: Build and push Docker Image
	uses: docker/build-push-action@v4
	with:
	file: ${{ matrix.dockerfile }}
	platforms: linux/amd64,linux/arm64
	push: true
	tags: ${{ matrix.image }}:${{ steps.compute-tag.outputs.result }}

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