update apptainer_build.yml #3

	name: starfish apptainer build and push

	on:
	push:
	branches:
	- main # or any other branch you want to trigger the workflow

	jobs:
	apptainer-build-and-push:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout Repository
	uses: actions/checkout@v2

	# Step to set up Apptainer and build the .sif image
	- name: Build Apptainer Image
	run: \|
	# Replace with commands to build your Apptainer image
	sudo apt-get update
	sudo apt-get install -y build-essential libseccomp-dev pkg-config squashfs-tools cryptsetup

	# Download and compile Apptainer from source
	wget https://github.com/apptainer/apptainer/releases/download/v1.2.5/apptainer-1.2.5.tar.gz
	tar -xzf apptainer-1.2.5.tar.gz
	cd apptainer-1.2.5
	./mconfig && \
	make -C ./builddir && \
	sudo make -C ./builddir install

	# Go back to the root of the repository and build .sif
	cd ..
	apptainer build starfish.sif apptainer/starfish.def

	# Step to log in to GitHub Packages
	- name: Login to GitHub Container Registry
	run: echo ${{ secrets.GITHUB_TOKEN }} \| docker login ghcr.io -u ${{ github.actor }} --password-stdin

	# Step to push the image to GitHub Packages
	- name: Push to GitHub Packages
	run: \|
	# Set the image tag
	IMAGE_TAG=ghcr.io/${{ github.repository_owner }}/starfish:${{ github.sha }}

	# Push the image
	docker push $IMAGE_TAG

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