chore: Update Dockerfile to use relative path for jar file #3

	name: publish
	on: [push]
	jobs:
	publish-computability-image:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Login to GitHub Container Registry
	uses: docker/login-action@v1
	with:
	registry: ghcr.io
	username: ${{ github.actor }}
	password: ${{ secrets.GITHUB_TOKEN }}
	- name: Build the Computability Docker image
	run: \|
	docker build . --tag ghcr.io/tony0380/computability-all:latest
	docker run ghcr.io/tony0380/computability-all:latest
	docker push ghcr.io/tony0380/computability-all:latest
	- name: Publish the Computability Docker image
	run: \|
	echo ${{ secrets.GITHUB_TOKEN }} \| docker login ghcr.io -u Tony0380 --password-stdin
	docker push ghcr.io/tony0380/computability-all:latest

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