Build Ubuntu18 Image #14

	name: Build Ubuntu18 Image
	on:
	workflow_dispatch:

	defaults:
	run:
	shell: bash

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: baconpaul/sst-dockerimages/ubuntu18_surge_build

	jobs:
	build_image:
	permissions: write-all
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Login to GHCR.io
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Extract metadata (tags, labels) for Docker
	id: meta
	uses: docker/metadata-action@v5
	with:
	images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
	github-token: ${{ secrets.GITHUB_TOKEN }}

	- name: Display tags
	run: \|
	echo "## Build Metadata " >> $GITHUB_STEP_SUMMARY
	echo " " >> $GITHUB_STEP_SUMMARY
	echo "tags: ${{ steps.meta.outputs.tags }}" >> $GITHUB_STEP_SUMMARY
	echo "labels: ${{ steps.meta.output.labels }}" >> $GITHUB_STEP_SUMMARY

	- name: Build and push
	uses: docker/build-push-action@v6
	with:
	push: true
	file: ubuntu-18-upgrade-cmake/Dockerfile
	tags: ${{ steps.meta.outputs.tags }}
	labels: ${{ steps.meta.outputs.labels }}
	secrets: \|
	GIT_AUTH_TOKEN=${{ secrets.GITHUB_TOKEN }}

	- name: Generate artifact attestation
	uses: actions/attest-build-provenance@v1
	with:
	subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
	subject-digest: ${{ steps.push.outputs.digest }}
	push-to-registry: true
	github-token: ${{ secrets.GITHUB_TOKEN }}

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