Migrate to native GHA concurrency configuration #29

	name: Docker

	on:
	push:
	branches:
	- main

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	IMAGE_NAME: wikijs-anyuid

	jobs:
	push:
	runs-on: ubuntu-latest
	if: github.event_name == 'push'

	steps:
	- uses: actions/checkout@v4

	- name: Identify version to tag
	run: \|
	echo "IMAGE_TAG=$(fgrep "FROM ghcr.io/requarks/wiki" Dockerfile \| tail -1 \| cut -d@ -f1 \| rev \| cut -d: -f1 \| rev)" >> $GITHUB_ENV

	- name: Build image
	run: docker build . --file Dockerfile --tag "$IMAGE_NAME"

	- name: Log into registry
	run: echo "${{ secrets.GITHUB_TOKEN }}" \| docker login ghcr.io -u $GITHUB_ACTOR --password-stdin

	- name: Push image
	run: \|
	IMAGE_ID="ghcr.io/${{ github.repository }}/$IMAGE_NAME"

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

	IMAGE_ID_VERSIONED="${IMAGE_ID}:${IMAGE_TAG}"

	# Use Docker `latest` tag convention
	echo IMAGE_ID="$IMAGE_ID"
	echo IMAGE_ID_VERSIONED="$IMAGE_ID_VERSIONED"

	docker tag "$IMAGE_NAME" "$IMAGE_ID_VERSIONED"
	docker tag "$IMAGE_NAME" "$IMAGE_ID:latest"
	docker push "$IMAGE_ID_VERSIONED"
	docker push "$IMAGE_ID:latest"

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