issue #624 adding INSTANCE to variable substitution #394

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.

	name: build development container image to GitHub Container Registry

	on:
	push:
	branches:
	- development

	workflow_dispatch:

	env:
	REGISTRY: ghcr.io
	IMAGE_NAME: sarracenia

	jobs:
	# Push image to GitHub Packages.
	# See also https://docs.docker.com/docker-hub/builds/
	push:
	runs-on: ubuntu-latest
	permissions:
	packages: write
	contents: read

	steps:
	- name: Checkout branch
	uses: actions/checkout@v4

	- name: Set up QEMU
	uses: docker/setup-qemu-action@v1

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Set up Docker Buildx
	id: buildx
	uses: docker/setup-buildx-action@v1

	- name: Rename image for publication
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME

	# Change all uppercase to lowercase
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')
	# Strip git ref prefix from version
	echo IMAGE_ID=$IMAGE_ID >> $GITHUB_ENV

	- name: Build and push
	uses: docker/build-push-action@v2.7.0
	with:
	context: ./
	file: ./Dockerfile
	platforms: linux/arm64, linux/amd64
	push: true
	tags: \|
	${{ env.IMAGE_ID }}:development

Provide feedback