Add saline container #24

	# SPDX-FileCopyrightText: 2023 SUSE LLC
	#
	# SPDX-License-Identifier: Apache-2.0

	name: 'pre-built devcontainer'
	on: # rebuild any PRs and main branch changes
	pull_request:
	push:
	branches:
	- main

	jobs:
	devcontainer-build-and-push:
	runs-on: ubuntu-latest
	permissions:
	contents: read
	id-token: write
	packages: write
	steps:
	- name: Checkout
	id: checkout
	uses: actions/checkout@v4

	- name: Compute tag for devcontainer image
	id: meta
	run: \|
	tag=$(git rev-parse --short HEAD)
	echo "tag=$tag" >> "$GITHUB_OUTPUT"

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

	- name: Build and release devcontainer
	run: \|
	npm install -g @devcontainers/cli
	devcontainer build \
	--workspace-folder . \
	--image-name ghcr.io/${{ github.repository }}/devcontainer:${{ steps.meta.outputs.tag }} \
	--image-name ghcr.io/${{ github.repository }}/devcontainer:latest \
	--push
	env:
	BUILDX_NO_DEFAULT_ATTESTATIONS: true

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