Bump julia-actions/cache from 2 to 3 #100

	name: Build and Push Docker image to GHCR

	env:
	IMAGE_NAME: onlinenmfjl
	repo-name: kokitsuyuzaki/OnlineNMF.jl

	permissions:
	contents: read
	packages: write

	on: [push, pull_request]

	jobs:
	build_push:
	runs-on: ubuntu-latest
	steps:
	- name: checkout
	uses: actions/checkout@v6

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

	- name: Declare some variables
	id: vars
	shell: bash
	run: \|
	echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"

	- name: Build
	run: docker build -t ${{ github.repository_owner }}/${{ env.IMAGE_NAME }} .

	- name: Tag (Latest)
	run: docker tag ${{ github.repository_owner }}/${{ env.IMAGE_NAME }} ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}

	- name: Tag (SHA)
	run: docker tag ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ steps.vars.outputs.sha_short }}

	- name: Push (Latest)
	run: docker push ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest

	- name: Push (SHA)
	run: docker push ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ steps.vars.outputs.sha_short }}

	- uses: docker/build-push-action@v6
	with:
	push: true
	tags: \|
	ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ steps.vars.outputs.sha_short }}

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