feat: delete untagged containers #33

	name: PR

	on:
	pull_request:
	branches: [main]
	workflow_dispatch:

	concurrency:
	# PR open and close use the same group, allowing only one at a time
	group: pr-${{ github.workflow }}-${{ github.event.number }}
	cancel-in-progress: true

	jobs:
	# https://github.com/bcgov-nr/action-builder-ghcr
	builds:
	if: "!github.event.pull_request.head.repo.fork"
	permissions:
	packages: write
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	package: [postgres/postgres, postgis/postgis, bitnami/postgres]
	tag: [12, 13, 14, 15, 16]
	timeout-minutes: 10
	steps:
	- uses: actions/checkout@v4
	- name: Get first tag
	id: tag
	run: \|
	TAG=$(grep '^FROM' database/${{ matrix.package }}/${{ matrix.tag }}/Dockerfile \| cut -d':' -f2)
	echo "tag=${TAG}" >> $GITHUB_OUTPUT

	- name: Build or import
	uses: bcgov-nr/[email protected]
	with:
	build_context: database/${{ matrix.package }}/${{ matrix.tag }}
	package: ${{ matrix.package }}
	tag: ${{ steps.tag.outputs.tag }}
	token: ${{ github.token }}
	triggers: database/${{ matrix.package}}/${{ matrix.triggers }}

	ghcr-cleanup:
	needs: [builds]
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	package: [postgres/postgres, postgis/postgis, bitnami/postgres]
	steps:
	- uses: actions/delete-package-versions@v4
	with:
	package-name: ${{ github.event.repository.name }}/${{ matrix.package }}
	package-type: 'container'
	min-versions-to-keep: 0
	delete-only-untagged-versions: 'true'

	wrap-up:
	needs: [ghcr-cleanup]
	runs-on: ubuntu-22.04
	steps:
	- name: Wrap-up
	run: \|
	echo "Dummy step for workflow completion"

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