fix ghcr login in workflows #17

	name: Docker Nightly

	on:
	push:
	# Publish `master` as Docker `latest` image.
	branches:
	- main
	- master

	env:
	IMAGE_NAME: enoarkime

	jobs:
	# Push image to GitHub Packages.
	push:
	runs-on: ubuntu-latest
	if: github.event_name == 'push'

	steps:
	- uses: actions/checkout@v2

	- name: Log into GitHub Container Registry
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login https://ghcr.io -u ${{ github.actor }} --password-stdin

	- name: Push image to GitHub Container Registry
	run: \|
	IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME:nightly

	# Change all uppercase to lowercase
	IMAGE_ID=$(echo $IMAGE_ID \| tr '[A-Z]' '[a-z]')

	docker image build -t $IMAGE_ID .
	docker image push $IMAGE_ID

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